Indoor Air Quality Services in Greater Madison Area
Get cleaner, healthier air in your home today with professional indoor air quality services. Harker Heating & Cooling is family owned since 1949 and a Carrier Distinguished Dealer and Nest Elite Pro. We serve the Greater Madison Area, including Madison, Middleton, and Sun Prairie. Our team provides air purification, filters, humidifiers, and ventilation solutions, with 24/7 service and a 4.9 rating from 1,693 reviews. Schedule a consultation to prepare for allergy season and breathe easier with trusted, local experts.
Each image is a real worksite photo, reflecting the quality and dedication in every project.
Special Offers & Promotions
Free quotes to install the GPS-FC48-AC Bipolar Ionizer (GPS Unit) offered by Harker Heating & Cooling.
- Easy installation; Energy-efficient; Neutralizes odors; Improves indoor air quality
We provide homeowners in our service area with free quotes to install the GPS-FC48 AC Bipolar Ionizer.
Free ground shipping on orders $75 or more within the USA.
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Why Choose Us
What Our Customers Say
"He explained more about HEPA filters... I’ll be getting an air purifier instead."
"Beautifully temperature-controlled, filtered and perfectly humidified breath. Highly recommend."
"Lee was incredible thorough as he checked our air conditioner and air exchanger."
Answers to Common Questions
View All FAQsWhat Are Common Symptoms of Poor Home Air Quality?
Common symptoms of poor home air quality include stale or musty air, frequent dust buildup, irritated allergies, and humidity problems you can feel or see. Most issues trace back to weak ventilation, over‑restrictive filtration, or uncontrolled moisture that lets pollutants and odors linger. Technicians in the Madison area often find that if symptoms ease when you run the HVAC fan or crack a window, ventilation is the likely root cause.
Look for these specific signs:
- Persistent odors or a “stuffy” feel
- More dust on surfaces and fast‑clogging filters
- Sneezing, coughing, headaches, or fatigue at home
- Window condensation, damp spots, or visible mold growth
If you notice several of these at once, schedule an indoor air quality check before buying new equipment.
Updated: 2026-03-25
Need help in Shorewood Hills, WI? Call (608) 313-5510 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNIMzRTNWpBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgICH34S5jAE%7CCgwIzu-BtwYQgOfCoQE%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25sSFVVRkpObFZpYTNFd2VtNUxRemQyZVdKR1RWRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CAIQACodChtycF9oOnlHUUFJNlVia3Ewem5LQzd2eWJGTVE%7C0d5Ta8RtF0g%7C[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT21JNVFuVmxVbE5RWmpCV09HdHZVMnRXV2sxTmJHYxAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CAIQACodChtycF9oOmI5QnVlUlNQZjBWOGtvU2tWWk1NbGc%7C0d0BQKklZOc%7C[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURsOE9DRTNnRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDl8OCE3gE%7CCgwIrO-eqwYQyOO1sQE%7C?hl=en-US[4] https://www.harkerheating.com/our-services/cooling/air-conditioners/air-conditioner-repair/[5] https://www.harkerheating.com/gps-bipolar-ionization/[6] https://www.harkerheating.com/special/[7] https://www.harkerheating.com/contact/How much does whole-house humidifier installation typically cost?
Costs for whole-house humidifier installation vary by home and model. A technician will confirm pricing after an in-home assessment. Aprilaire units we install (700, 600, 800) have different capacities and hookups that affect labor and materials. Key factors include duct access, water line and drain, available electrical, control integration with your thermostat, and any add-ons. Most systems need simple once-a-year maintenance. We serve Madison and nearby communities, and we provide free estimates for IAQ upgrades.
Updated: 2025-12-26 00:00:00
Need help in Cross Plains, WI? Call (608) 313-5510 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURyZ0pXYXlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDrgJWayAE%7CCgsI8erFtAYQuJCCDg%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQwa3FiYTlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgID0kqba9AE%7CCgwI7refuAYQ4NDLnQE%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNIMzRTNWpBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgICH34S5jAE%7CCgwIzu-BtwYQgOfCoQE%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURQcjduMm5BRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDPr7n2nAE%7CCgsIrKrMugYQkJjCbQ%7C?hl=en-GB[4] https://www.harkerheating.com/contact/[5] https://www.harkerheating.com/support/financing/tax-credits/[6] https://www.harkerheating.com/support/financing/energy-federal-tax-credits/[7] https://www.harkerheating.com/goldstar/How much does professional air duct cleaning service cost?
We provide air duct cleaning pricing after an in-home inspection. Final cost depends on home size, number of supply/return runs, level of dust or mold, and access to registers and coils. Our process includes inspecting and cleaning ducts, registers, coils, drain pans, and the fan housing. If we find mold, we address moisture sources first, then clean to prevent recurrence. Service is available across Madison, Sun Prairie, Middleton, and nearby communities.
Quick factors that affect price:
- Home square footage and duct count
- Contamination level (dust, debris, or mold)
- Access to vents and HVAC components
Updated: 2025-12-26 00:00:00
Need help in Cross Plains, WI? Call (608) 313-5510 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURyZ0pXYXlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDrgJWayAE%7CCgsI8erFtAYQuJCCDg%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQwa3FiYTlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgID0kqba9AE%7CCgwI7refuAYQ4NDLnQE%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNIMzRTNWpBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgICH34S5jAE%7CCgwIzu-BtwYQgOfCoQE%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURQcjduMm5BRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDPr7n2nAE%7CCgsIrKrMugYQkJjCbQ%7C?hl=en-GB[4] https://www.harkerheating.com/contact/[5] https://www.harkerheating.com/support/financing/tax-credits/[6] https://www.harkerheating.com/support/financing/energy-federal-tax-credits/[7] https://www.harkerheating.com/goldstar/How much does it cost to install UV lights in HVAC systems?
We provide on-site quotes for HVAC UV light installation. Final cost depends on your system design, lamp type, mounting location, and electrical access. A technician will assess your duct or coil setup and confirm pricing before work begins. If you’re comparing options, we also install advanced air purification like the GPS-FC48 bipolar ionizer, and free quotes are available through 2025-12-31. We serve homes across Madison, Sun Prairie, and Verona.
Updated: 2025-12-26
Need help in Madison, WI? Call (608) 313-5510 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURyZ0pXYXlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDrgJWayAE%7CCgsI8erFtAYQuJCCDg%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQwa3FiYTlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgID0kqba9AE%7CCgwI7refuAYQ4NDLnQE%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNIMzRTNWpBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgICH34S5jAE%7CCgwIzu-BtwYQgOfCoQE%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURQcjduMm5BRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDPr7n2nAE%7CCgsIrKrMugYQkJjCbQ%7C?hl=en-GB[4] https://www.harkerheating.com/contact/[5] https://www.harkerheating.com/support/financing/tax-credits/[6] https://www.harkerheating.com/support/financing/energy-federal-tax-credits/[7] https://www.harkerheating.com/goldstar/How much does it cost to install UV light in an HVAC system?
Pricing for adding a UV light to your HVAC is not listed in our materials, and it varies by system, access, and wiring. A technician will confirm the exact cost after an on-site inspection. In the Madison area, we can also recommend whole-home air cleaners, ventilation (ERVs), humidifiers, dehumidifiers, duct cleaning, and GPS-FC48 bipolar ionization. Free quotes are available for the GPS-FC48 ionizer. Service is available 24/7.
Updated: 2025-12-26
Need help in Cross Plains, WI? Call (608) 313-5510 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURyZ0pXYXlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDrgJWayAE%7CCgsI8erFtAYQuJCCDg%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQwa3FiYTlBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgID0kqba9AE%7CCgwI7refuAYQ4NDLnQE%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNIMzRTNWpBRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgICH34S5jAE%7CCgwIzu-BtwYQgOfCoQE%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURQcjduMm5BRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDPr7n2nAE%7CCgsIrKrMugYQkJjCbQ%7C?hl=en-GB[4] https://www.harkerheating.com/contact/[5] https://www.harkerheating.com/support/financing/tax-credits/[6] https://www.harkerheating.com/support/financing/energy-federal-tax-credits/[7] https://www.harkerheating.com/goldstar/How Much Does Home Indoor Air Quality Testing Cost?
Home indoor air quality testing with Harker Heating & Cooling is quoted after we define the testing scope, and final pricing is confirmed following an on-site assessment. The biggest cost driver is the type of testing you need, from a basic home IAQ check to targeted measurements or radon testing. We perform these assessments throughout the Madison area, including Maple Bluff, and then match findings to whole-home solutions like filtration, ventilation, humidification, or dehumidification.
When we build your quote, we consider:
- Test type and depth (screening vs. targeted measurements or lab-backed methods)
- Home size and number of areas to assess
- Monitoring duration (single visit vs. multi-day)
- Add-ons like radon testing or follow-up reporting
Schedule an IAQ assessment to receive an exact quote and a clear action plan.
Updated: 2026-03-10
Need help in Maple Bluff, WI? Call (608) 313-5510 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25OVk5XWlNZMkl3ZUhVd2VYaG1Wa1ZaVGpGMFExRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CAIQACodChtycF9oOnNVNWZSY2IweHUweXhmVkVZTjF0Q1E%7C0dDjLgvH0ID%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT21JNVFuVmxVbE5RWmpCV09HdHZVMnRXV2sxTmJHYxAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CAIQACodChtycF9oOmI5QnVlUlNQZjBWOGtvU2tWWk1NbGc%7C0d0BQKklZOc%7C[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUM3MXV1NWpRRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIC71uu5jQE%7CCgwIq5j4tQYQ6PqN1QM%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURsOE9DRTNnRRAB!2m1!1s0x0:0xf55f104e093c221f!3m1!1s2@1:CIHM0ogKEICAgIDl8OCE3gE%7CCgwIrO-eqwYQyOO1sQE%7C?hl=en-US[4] https://www.harkerheating.com/our-services/air-quality/comfort-controls/[5] https://www.harkerheating.com/our-services/heating/maintenence/[6] https://www.harkerheating.com/special/[7] https://www.harkerheating.com/goldstar/Can an air purifier be repaired if the UV bulb stops working?
We can inspect your purifier and advise repair vs. replacement if the UV bulb stops working. Our featured air cleaners (Aprilaire whole-home units) and the GPS-FC48 bipolar ionizer do not use UV bulbs. We service indoor air quality systems in Madison and nearby communities. Exact parts and pricing depend on your purifier’s make and model. A technician will confirm on site. Service is available 24/7.
Updated: 2025-12-26
Need help in Madison, WI? Call (608) 313-5510 or book online.
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Where We Work
What areas do you serve for indoor air quality services?
We serve the Greater Madison Area, including Madison, Middleton, and Sun Prairie. See the full list of communities we cover below.


