Tempco Heating & Air Conditioning has been the heating and cooling contractor West Allis homeowners, landlords, and businesses have called since 1969. That is more than five decades of repair, installation, replacement, maintenance, and emergency HVAC work across Milwaukee County, and we have not slowed down. Whether your furnace quit overnight, your central air is struggling through a July heat wave, or you are ready to replace an aging system, we handle it from the first call to the final test. We pick up the phone and take care of it. Dependable service. Honest rates. Local HVAC know-how. Call (414) 451-9289 for a quote.
Doing HVAC work right matters, and we'll help you get it right, whether you own a single-family home in West Allis or manage a portfolio of rental properties across Milwaukee County. Our team handles the full range of heating and cooling work for residential customers and commercial clients alike.
Good HVAC work isn't complicated, it's just done right, and that is exactly how we approach every home visit. We cover AC repair and service, furnace repair, heat pump service, full system installation and replacement, ductwork, thermostat upgrades, indoor air quality improvements, and seasonal tune-ups. Work is performed by qualified HVAC technicians who diagnose accurately and explain what they find before anything is done. You get no-pressure estimates, priced up front, so there are no surprises when the job is complete.
Property managers and landlords need a contractor who responds quickly and gets the diagnosis right the first time. A tenant without heat in a Wisconsin winter is not a minor issue, and we treat it accordingly. We work with small commercial buildings, multi-unit residential properties, and individual rental homes throughout the area. Our scheduling is flexible, our response is prompt, and we keep detailed records so repeat service calls are handled efficiently. We'll handle the system so you don't have to.
West Allis sits squarely in Milwaukee County's cold-climate zone. Winters here are long, sub-freezing temperatures are routine from November through March, and heating demand is heavy for months at a stretch. The short cooling season still matters, but heating is the priority. That climate shapes the three services we see requested most often, and it is why we have built genuine expertise in each one.
A furnace breakdown in January is not a comfort problem, it is a safety problem. Wisconsin winters put sustained, heavy demand on forced-air heating systems, and gas furnaces make up the backbone of home heating across the Midwest. When a no-heat call comes in, we diagnose the system thoroughly: burner condition, heat-exchanger integrity, ignition system, control board, filter, and airflow. Many repairs are straightforward. When the system is old, inefficient, or the repair cost does not pencil out, we walk through replacement options honestly and install a new furnace sized correctly for the home. Same-day response is available for urgent calls.
Modern cold-climate heat pumps are engineered to deliver reliable heat at temperatures well below freezing, some rated to roughly -15 degrees Fahrenheit, which makes them a genuinely practical option for Milwaukee County homes. Utility incentives have made them a fast-growing upgrade request, and we handle the full installation: load calculation, equipment selection, outdoor unit and air handler placement, refrigerant charging, and thermostat integration. For additions, sunrooms, or spaces without existing ductwork, ductless mini-split configurations are available. If you are weighing a heat pump as a primary or supplemental heating source, call us and we will walk through what makes sense for your home.
Forced-air heating pulls moisture out of the air, and Wisconsin winters compound that effect. Low indoor humidity in January and February causes dry skin, static electricity, cracked woodwork, and respiratory irritation. A whole-home humidifier integrated with your furnace or air handler addresses all of that automatically. We assess your current indoor humidity levels, select a unit sized to your system and square footage, and handle the full installation including the control setup. It is one of the more practical add-ons for any West Allis home running gas heat through the winter.
Not every HVAC company works the same way, and we have built our service list around what this area actually needs year-round. Beyond the featured heating services above, here is the full scope of what we handle.
The cooling season in Wisconsin is shorter than in warmer regions, but when summer arrives, a failing air conditioner is a real problem. We service and repair central air systems, diagnose refrigerant leaks and condenser issues, and replace aging equipment when the time comes. If you are adding central air to a home that does not have it, we handle new installation from load calculation through startup. Short-season or not, a well-maintained AC system earns its keep every July and August.
Leaking or disconnected ductwork wastes conditioned air and causes uneven temperatures from room to room. If one part of your home is always too hot or too cold, the duct system is often the reason. We inspect, seal, and repair ductwork to restore proper airflow and improve overall system efficiency. Addressing duct problems is one of the most cost-effective improvements a homeowner can make before replacing equipment.
A thermostat that is not communicating correctly with your system wastes energy and causes comfort problems. We replace outdated thermostats, install smart thermostats that learn your schedule and allow remote control, and troubleshoot control issues that are causing the system to short-cycle or run inconsistently. Upgrading the thermostat is often a straightforward way to improve both comfort and efficiency without touching the equipment itself.
A furnace tune-up before the heating season and an AC tune-up before summer are the two best things a homeowner can do to extend equipment life and avoid mid-season breakdowns. A proper tune-up covers the full system: cleaning, inspection, calibration, and a written summary of anything that needs attention. We offer prompt response, even for last-minute comfort calls, so if you have been putting off your annual maintenance, now is a good time to schedule it.
Dealing with a furnace that won't keep up or an AC that can't cool? In Wisconsin, a no-heat situation in winter is a genuine safety concern, not just an inconvenience. We take emergency calls seriously and offer after-hours, weekend, and holiday availability for urgent heating and cooling failures. Same-day response is available when our schedule allows, and we prioritize no-heat calls during cold weather. Simple booking. Clear pricing. Reliable, lasting comfort. Call (414) 451-9289 and we will get someone out as soon as possible. Call today and we'll get the temperature back where it belongs.
Choosing the right HVAC fix is easier than it sounds when the pricing is laid out clearly before work begins. We communicate costs before we start, so you know what you are approving. If you are not sure whether to repair or replace, we walk through the numbers honestly so you can make a confident decision. We also offer second-opinion visits for customers who want to verify a diagnosis or estimate they received elsewhere. There is no pressure to move forward until you are ready.
We are based in West Allis and serve customers throughout Milwaukee County and the surrounding area. Nearby communities we regularly work in include Milwaukee, Wauwatosa, Greenfield, Greendale, West Milwaukee, New Berlin, and Brookfield. If you are in the area and need heating or cooling service, give us a call and we will confirm coverage for your address.
A furnace tune-up covers cleaning the burners, inspecting the heat exchanger, checking ignition and safety controls, testing the blower motor, verifying airflow, and measuring combustion efficiency. We also check the filter and flag any components that are showing wear. At the end, we give you a clear summary of the system's condition.
Common signs include the furnace running longer cycles than usual to reach the set temperature, uneven heat distribution across the home, unusual sounds like banging or rattling at startup, and a noticeable increase in heating bills without a change in usage. Frequent ignition failures or the system shutting off before the home reaches temperature are also signs that a diagnosis is needed.
A heat pump that is struggling to heat or cool, making grinding or hissing sounds, or cycling on and off frequently may need a repair or may be reaching the end of its useful life. We diagnose the system fully before recommending a path, and if replacement is the right answer, we explain why and what the options are. A system that is more than 15 years old and requiring repeated repairs is often a good candidate for replacement.
A system that is losing efficiency due to age, dirty components, refrigerant loss, or duct leakage has to work harder to deliver the same amount of heating or cooling. That extra run time shows up directly on your energy bill. A tune-up or diagnostic visit often identifies the cause and can bring efficiency back in line.
Leaking ducts allow conditioned air to escape into unconditioned spaces like attics, crawl spaces, and wall cavities before it reaches the living area. The result is uneven temperatures, rooms that never feel comfortable, and a system that runs longer to compensate. Sealing the duct system often improves comfort noticeably and reduces the load on the equipment.
Clear a path to the furnace, air handler, and any accessible ductwork so the technician can reach the equipment without obstacles. If there is an outdoor unit, make sure it is accessible and not blocked by debris or storage. Letting us know in advance about any access challenges helps us plan the visit efficiently.
For most diagnostic visits, the technician handles any necessary power isolation as part of the job. You do not need to shut anything off in advance. If the work requires extended power isolation to the equipment, the technician will let you know before starting.
At the air handler or indoor unit, the technician inspects the blower motor and wheel, the evaporator coil, the drain pan and condensate handling, the filter, electrical connections at the unit, and airflow across the coil. On a heat pump or AC system, refrigerant pressure is also checked at this stage. The goal is a complete picture of how the indoor side of the system is performing.
After the repair or installation is complete, the technician runs the system through a full operational cycle to confirm it is heating or cooling correctly, that airflow is normal, and that the thermostat is communicating with the equipment as expected. Any adjustments are made before the technician leaves the property.
A standard tune-up or straightforward repair usually takes one to two hours. More involved repairs or diagnostics on complex systems can take longer. If we anticipate a longer visit, we let you know when scheduling so you can plan accordingly.
For more than 57 years, we have taken care of heating and cooling systems for West Allis homeowners, landlords, and businesses. Our team of qualified HVAC technicians shows up prepared, communicates clearly, and gets the work done right. We make the repair and leave the home tidy. Whether you need emergency furnace service, a new heat pump installation, a seasonal tune-up, or anything in between, we are ready to help. Call (414) 451-9289 to schedule service or request a quote.
From a quick AC repair to a full furnace replacement, we handle the complete range of heating and cooling work for West Allis homes, rental properties, and commercial spaces. Every job comes with clear communication, upfront pricing, and work performed by qualified HVAC technicians who take the work seriously. The table below gives you a plain-language look at what each service covers and who it fits best. Call (414) 451-9289 when you are ready to schedule or want to talk through your options.
| HVAC Service | What's Included | Best Suited For | Helpful Details |
|---|---|---|---|
| Cold-Climate Heat Pump Installation | home assessment and equipment sizing, cold-climate unit selection, full installation and startup, efficiency and incentive review | homeowners interested in a single system that handles both heating and cooling efficiently through a Wisconsin winter | Modern cold-climate heat pumps are rated to operate at temperatures down to roughly negative fifteen degrees Fahrenheit, making them a practical fit for this area. |
| AC Repair and Service | refrigerant leak diagnosis, condenser and coil inspection, airflow troubleshooting, cooling system diagnostics | homeowners or property managers with an underperforming or non-cooling AC unit | Catching a small refrigerant or airflow problem early usually costs far less than waiting until the system fails on a hot day. |
| Full System Installation and ReplacementMost Popular | equipment selection and sizing, full removal of old system, new system installation and startup, final walkthrough and testing | homeowners or property managers whose system is past its useful life or no longer keeping up | We provide no-pressure estimates, priced up front, so you know exactly what the project involves before anything is scheduled. |
| Emergency HVAC Service | same-day and after-hours response, no-heat emergency repair, no-cool emergency repair, priority scheduling for urgent calls | anyone whose heating or cooling system has gone down completely, especially during extreme weather | We take calls every day from 8:00 AM to 10:30 PM, including weekends and holidays, and we prioritize no-heat calls during Wisconsin winters. |
| Furnace Repair and Replacement | full furnace diagnostics, burner and heat exchanger inspection, repair or full replacement recommendation, new furnace installation | West Allis homeowners facing a furnace that has stopped working or is too old to trust through another Wisconsin winter | If repair cost is a large fraction of what a replacement would run, we walk through the numbers honestly so you can make a confident call. |
| Whole-Home Humidifier Installation | humidifier unit selection, installation into existing ductwork, automatic humidity control setup, comfort and air quality improvement | West Allis households dealing with dry air, static electricity, or discomfort during the long heating season | A whole-home humidifier runs automatically with your furnace, so you get consistent indoor humidity without any manual adjustments. |
| Seasonal Maintenance and Tune-Ups | component inspection and cleaning, refrigerant level check, controls and safety test, early issue identification | homeowners who want to protect their equipment investment and avoid mid-season breakdowns | Fall and early spring tend to book up fast; scheduling ahead of the peak season gets you the appointment window you want. |
| Ductwork Repair and Sealing | duct leak diagnosis, sealing and patching, section repair or replacement, airflow balancing | homes with uneven temperatures, high energy bills, or rooms that never seem to reach the right temperature | Leaky ducts are one of the most common and underdiagnosed causes of comfort problems in Milwaukee County homes. |
| Thermostat and Smart-Control Installation | programmable thermostat installation, smart thermostat setup, zoning control configuration, replacement of failed thermostats | homeowners looking to improve comfort, reduce energy use, or upgrade aging controls | A properly installed smart thermostat can make a noticeable difference in how consistently your system maintains temperature. |
| Heating and Furnace Repair | blower and air handler checks, heat exchanger inspection, controls and ignition diagnosis, root-cause repair | anyone who has lost heat or noticed the furnace running poorly | Wisconsin winters make a heating call an urgent matter; we prioritize no-heat situations to get a technician on-site quickly. |
| Indoor Air Quality and Air Filtration | whole-house air filtration installation, air purifier and scrubber installation, allergen and dust reduction, integration with existing HVAC equipment | families, allergy sufferers, or landlords concerned about air quality in their homes or rental units | These systems work with your existing heating and cooling equipment, so no major changes to your setup are required. |
| Heat Pump Repair and Service | refrigerant level checks, airflow and coil inspection, cycling and efficiency diagnosis, mechanical troubleshooting | homeowners with a heat pump that has stopped heating, stopped cooling, or started short-cycling | Heat pumps handle both seasons, so a problem in spring or fall can leave you without heating and cooling at the same time. |
How do I know if I should repair my furnace or replace it?
We look at the age of the equipment, the cost of the repair, and how reliably it has been running. A furnace that is fifteen or more years old and facing a costly repair is often a better candidate for replacement than another round of fixes. We walk through the numbers with you honestly so you can make a decision that makes sense for your budget and your home.
What are the signs that my AC or furnace needs attention now?
Weak airflow from the vents, warm air coming out of a running air conditioner, the system turning on and off in short cycles, or unusual noises like banging, rattling, or squealing are all signals that something is wrong. Any of those symptoms means the system needs a diagnosis before the problem gets more serious. Call us and we will get a technician scheduled.
How often should I schedule a maintenance tune-up?
Once a year for each system is the standard recommendation. A furnace tune-up in the fall before heating season and an AC tune-up in the spring before cooling season keeps both systems running at their best and catches small issues before they turn into expensive repairs.
Same-Day and Emergency Availability
When your heat goes out in a Wisconsin winter or your AC quits during a summer heat stretch, we respond the same day. We take calls every day of the week and prioritize urgent no-heat and no-cool situations.
What does a seasonal tune-up actually include?
We inspect and clean key components, check refrigerant levels, test the controls and safety switches, and flag anything that looks like it could cause a problem down the road. The goal is to confirm the system is ready for the season ahead and to give you an honest picture of its condition.
Why is one room in my home always hotter or colder than the rest?
Uneven temperatures are usually caused by duct leaks, an undersized or poorly balanced duct system, or a zoning issue. In some cases, a dirty filter or a struggling blower motor is restricting airflow to certain parts of the house. We diagnose the root cause rather than guessing, and we explain what we find before recommending a fix.
Can I try to fix an HVAC problem myself before calling a technician?
Checking your thermostat settings, replacing a dirty filter, and making sure the system has power are all reasonable first steps. Beyond that, HVAC equipment involves refrigerant, electrical components, and heat exchangers that are best left to a qualified technician. Attempting a repair without the right training and tools can make the problem worse or create a safety issue.
Transparent Upfront Pricing
We give you a clear estimate before any work begins, and we communicate openly if anything changes during the job. You will never be surprised by the final number.
Do I need to be home when the technician comes out?
Someone should be present to let the technician in and to hear the findings and recommendations at the end of the visit. If that is not possible, let us know when you schedule and we will work out the best arrangement for your situation.
How does pricing work, and will I know the cost before work starts?
We provide no-pressure estimates, priced up front, so you know what the work costs before we begin. If something unexpected comes up during the job, we talk with you about it before moving forward. There are no surprises when the job is complete.
Experienced With Older and Newer Systems
We have been doing this work in the West Allis area since 1969, which means we have seen a wide range of equipment, from older systems that have been running for decades to the latest cold-climate heat pumps and smart controls.
What causes a system to short-cycle, and is it a serious problem?
Short-cycling, where the system turns on and off repeatedly without completing a full heating or cooling cycle, is usually a sign of an underlying issue. Common causes include a dirty filter restricting airflow, a refrigerant problem, an oversized system, or a failing component like a pressure switch or thermostat. It puts extra wear on the equipment, so it is worth getting diagnosed sooner rather than later.
What is involved in upgrading to a smart thermostat?
We install the new thermostat, connect it to your existing system wiring, configure the settings, and confirm it is communicating correctly with your heating and cooling equipment. If you want zoning controls or have a more complex system, we handle that as well. The whole process is usually straightforward and completed in a single visit.
How can I improve the air quality and humidity in my home?
A whole-home air filtration or purification system installed on your existing HVAC equipment reduces dust, allergens, and airborne particles throughout the house. A whole-home humidifier addresses the dry-air problem that comes with running forced-air heat through a long Wisconsin winter. We can walk you through both options and what installation involves.
Call (414) 451-9289 to talk through your heating or cooling situation and get a straightforward estimate from our team.
(414) 451-9289