Heating FAQs

Our Experts Answer Questions About Furnaces and Boilers
Today’s heating systems are complex, but the certified technicians at Gross Heating & Air Conditioning are ready to answer your questions. Our team has extensive training and experience working with all makes and models of heating units. We’re happy to share our knowledge to help you make informed decisions.
When is the best time to replace my furnace?
What are the warning signs that my heating system is failing?
My furnace is acting up again—should I fix it or replace it?
How much does a furnace cost?
Is it cheaper to install an AC with a furnace?
Why is my furnace leaking water?
What is the average life of a furnace?
How often should I service our furnace or boiler?
How often should I replace my furnace filter?
Does it make sense to replace my old steam boiler?
Have more questions about home heating? Click here to ask an expert from Gross Heating!
Contact Us
This form is monitored during regular business hours, and a member of our team will contact you to confirm your requested appointment. If you have an emergency, please call 262-783-6000.
Maintenance Agreements
Maintenance agreements from Gross Heating & Air Conditioning are designed for your peace of mind. They’re a great way to reduce or eliminate unexpected repair bills, ensure top performance, save money, and prolong the life of your equipment.
$100 Refer-A-Friend Program
Love Gross Heating? Tell your friends and family about us and you’ll get $100 cash back when they have a furnace, AC, or boiler installed. Have a lot of friends and family? That’s great because there’s no limit! Ask for details.

3260 N. 126th Street
Brookfield, WI 53005
Phone: 262-783-6000
24-Hour Emergency Service Available
