Family-Owned Since 1976
24/7 Emergency Service
4-Time Bryant Circle of Champions Dealer
Crafting Comfort, One Home at a Time
When your home isn’t comfortable or you have an HVAC emergency, you want someone you can trust to give you the right solution, not the biggest sales pitch. Martens Heating & Cooling has helped Fox Valley homeowners with heating, cooling, air quality, and HVAC solutions since 1976.
From routine maintenance to 24/7 emergency repairs and complete system replacements, we’re here to help you understand your options and find the solution that’s right for your home.
Get Comfort for Every Season with Innovative HVAC Services
At Martens Heating & Cooling, we perform every HVAC service under the sun. Our certified technicians work on home, rental, and commercial properties throughout Northeastern Wisconsin.
What Our Customers are Saying
Why Martens Matters
We’re Here to Help, Not to Sell.
HVAC decisions aren’t always simple, especially when you’re dealing with a broken furnace, an aging air conditioner, or an unexpected expense. At Martens, our job is to help you understand what’s happening, explain your options, and make the decision that’s right for your home and budget.
Sometimes that means a repair. Sometimes it’s preventative maintenance. And when replacement really is the best option, we’ll help you choose a system that fits your needs, not simply sell you the most expensive one.
That’s how we’ve taken care of our neighbors since 1976, and it’s how we’ll take care of you.
24/7 Emergency HVAC Repair Services
Experienced HVAC Technicians
On-Time Appointments
Courtesy Calls
Outstanding Customer Support
Solutions Built For Your Home
Local Experience.
Proven Expertise.
50+ Years Serving Omro & Surrounding Communities
Martens Heating & Cooling has been a family-owned business supporting our friends and neighbors in Northeast Wisconsin for decades. Our HVAC service technicians are always ready to help you in your time of need — day or night. If you ever need an HVAC contractor, we’ve got your back with innovative and customized solutions.
Explore Financing Options
We’re here to help make updating your HVAC System more obtainable with creative and customizable financing options from Wells Fargo. This credit option includes convenient monthly payments to fit your budget, easy-to-use online account management, online bill pay, and more.
Bryant Circle of Champions Dealer 4 Years Running
Martens Heating & Cooling has been recognized as a Bryant Circle of Champions Award winner for four consecutive years, placing us among the top 3% of Bryant dealers nationwide. This recognition reflects our commitment to quality installations, ongoing training, and taking care of homeowners across the Fox Valley with reliable heating and cooling service.
Heating and Cooling Tips
Repair vs Replace Your Furnace: Know Your Options Before Costs Add Up
Not sure whether to repair or replace your furnace? Martens Heating & Cooling helps Fox Cities homeowners make the right choice. Free replacement estimates available.
What to Do If Your Furnace Quits Working
Learn what to do if your furnace quits working in your Fox Cities home, from troubleshooting tips to knowing when to call HVAC experts for repairs.
Why Furnace Maintenance Is Important
The professionals at Martens Heating & Cooling can help you to decrease the probability of emergency repairs or complete furnace replacement with regular furnace maintenance.
How Can We Help?
Whether something isn’t working, you’re planning ahead, or you simply have a question about your home’s comfort, our team is here to help. Tell us what’s going on and we’ll help you figure out the next step.