Take a break from the dog days of summer with efficient air conditioning systems
Need A/C Maintenance?
Madison’s A/C Repair Experts
Call the HVAC technicians at Harker to make A/C repair or A/C installation a breeze
Whether your A/C unit needs a quick fix or it’s time to invest in a new central air conditioning system, the air conditioning experts at Harker are here to help you keep your cool. Our HVAC technicians have been providing high-quality A/C maintenance, repair and installation services to Madison-area residents for more than 65 years. We partner with leading air conditioning expert manufacturers like Carrier and Mitsubishi to bring you the best, most efficient home air conditioning systems for your budget — and provide A/C repairs to keep your system running smoothly. Harker’s A/C repair experts work quickly so you can get right back to enjoying the dog days of summer.
Call for Service or a quote
Our Cooling Services
Air Conditioning
Heat Pumps | Cooling
Mitsubishi Cooling /Heating
We Are Your Nest Elite Pro
Air Conditioner Maintenance
Air Duct Cleaning
Cooling Advice & Tips
Learn More About A/C Maintenance
cooling Blog
Future-Proof Your Home: Benefits of Electrification
Wisconsin’s Home Electrification and Appliance Rebate (HEAR) program is now available! With this program, you may be eligible to receive tax credits to save on
Maximizing Savings with Home Electrification and Appliance Rebates (HEAR)
As a part of the Inflation Reduction Act (IRA) home and energy rebates launch, the Home Electrification and Appliance Rebates (HEAR) program allows Wisconsin residents to qualify for rebates on heating and cooling equipment and installations.
When Is It Time You Replace Your HVAC Filter?
You’ve heard the reminder to change your HVAC filter. But what happens to your air conditioning unit when life gets in the way, and an extended period of time passes between replacements? At Harker, many of our customers call us for annual service checks and HVAC filter replacements like clockwork, but we’ve seen our fair share of overdue HVAC filters since our founding in 1949. Here is everything you need to know about HVAC filters, how they work and why they need periodic maintenance and replacement.
