Hooper Service
HVAC Services in Deforest
Hooper Service specializes in Carrier HVAC installation, repair, and maintenance. Proudly serving Deforest and the surrounding areas, we deliver reliable, certified HVAC solutions to meet your home's needs. As your local Carrier Factory Authorized Dealer, your satisfaction is our number one priority. That's why we stand behind our work with a 100% satisfaction guarantee. Equipped with certified technicians, we strive to exceed your expectations, whether performing routine maintenance or installing a new Carrier heating and cooling system.
Experience and Certifications
Experience and Certifications

Factory Authorized Dealer
As a Carrier Factory Authorized Dealer, we have met Carrier's highest standards for superior skills, service, and we proudly offer a 100% satisfaction guarantee.

NATE Dealer
North American Technician Excellence (NATE) is the leading certification program for HVAC technicians and is the only test supported by the entire industry. We are proud to employ NATE certified technicians.

Financing Available
We offer flexible financing options for your new Carrier product or system. With approved credit, you can enjoy convenient monthly payments, competitive interest rates, and online bill pay.

Cool Cash
We participate in Carrier Cool Cash rebates. With the support of Carrier, during select times of the year Cool Cash rebates might be available when you purchase a qualified Carrier heating and cooling system.

Geothermal Installations
We are proud to install Carrier geothermal heat pumps, which harness Earth's natural energy and consistent underground heat instead of relying on outside air like traditional heat pumps.

Indoor Air Quality Experts
Proper indoor air quality requires more than an air conditioner. As Carrier Indoor Air Quality Experts, we have completed coursework and passed a comprehensive test to deliver a cleaner, healthier home environment.

Puron Advance Trained
Carrier demonstrates its commitment to going beyond the minimum with a refrigerant that easily surpassed the EPA’s lower Global Warming Potential (GWP) requirements for 2025. We have shown the same commitment through Puron Advance™ training.

Factory Authorized Dealer
As a Carrier Factory Authorized Dealer, we have met Carrier's highest standards for superior skills, service, and we proudly offer a 100% satisfaction guarantee.
NATE Dealer
North American Technician Excellence (NATE) is the leading certification program for HVAC technicians and is the only test supported by the entire industry. We are proud to employ NATE certified technicians.
Financing Available
We offer flexible financing options for your new Carrier product or system. With approved credit, you can enjoy convenient monthly payments, competitive interest rates, and online bill pay.
Cool Cash
We participate in Carrier Cool Cash rebates. With the support of Carrier, during select times of the year Cool Cash rebates might be available when you purchase a qualified Carrier heating and cooling system.
Geothermal Installations
We are proud to install Carrier geothermal heat pumps, which harness Earth's natural energy and consistent underground heat instead of relying on outside air like traditional heat pumps.
Indoor Air Quality Experts
Proper indoor air quality requires more than an air conditioner. As Carrier Indoor Air Quality Experts, we have completed coursework and passed a comprehensive test to deliver a cleaner, healthier home environment.
Puron Advance Trained
Carrier demonstrates its commitment to going beyond the minimum with a refrigerant that easily surpassed the EPA’s lower Global Warming Potential (GWP) requirements for 2025. We have shown the same commitment through Puron Advance™ training.
HVAC Repair and Services

AC Repair & Service
We specialize in fast, reliable air conditioner repair and service to keep your home cool and comfortable. Whether it’s a minor fix or a major repair, we're here to ensure your AC runs smoothly when you need it most.

Furnace Repair & Service
We provide expert furnace repair and service. Our skilled technicians are ready to quickly diagnose and resolve any issues, keeping your home warm and comfortable year-round.

Heat Pump Repair
Count on us for dependable heat pump repair and service to keep your home comfortable year-round. Our experienced technicians troubleshoot issues, perform timely repairs, and ensure your system is operating at its highest efficiency.

HVAC Maintenance
We offer annual HVAC maintenance to keep your system running efficiently and help prevent unexpected breakdowns. Through a thorough inspection and tune-up, we ensure your heating and cooling system is ready to keep you comfortable all year long.
HVAC Installation Services

AC Installation
Enhance your home’s cooling and energy savings with our expert AC installation services. We install high-performance Carrier air conditioners and customize each system to match your home’s needs, helping ensure dependable comfort all summer long.

Furnace Installation
Stay warm and worry-free with our professional furnace installation services. We’ll guide you in selecting the best Carrier furnace for your home and complete the installation with expert care and precision.

Heat Pump Installation
Upgrade your home’s comfort and efficiency with our professional heat pump services. Our team installs top-quality Carrier heat pumps and tailors every system to fit your space, delivering reliable performance through every season.

HVAC System Installation
We provide expert HVAC installation to keep your home comfortable year-round. Whether you're replacing your current system or installing HVAC for the first time, we'll help you choose the right solution for your needs and handle the installation with precision and care.
Trusted HVAC Professional in Deforest
Excellent
November 13, 2025
Great
JEAN
Hooper Corporation is excellent, and Jami St. Clair is the best!
March 18, 2025
It was truly a pleasure working with Jami St. Clair of Hooper Corporation. The experience was A+ from start to finish. Technicians were great as well!
Stress
Expertise (5)
Solve Problems (5)
Service (5)
Furnace Installation
March 06, 2025
Furnace work was perfect! - Plumbing still needs help.
Marianne
Expertise (5)
Solve Problems (5)
Service (5)
Hooper Corporation is excellent!
September 24, 2024
Jami St. Clair of Hooper Corporation was excellent! We had an A+ 100% perfect experience working with him. His response time was second to none... a complete professional in every way. Thank you, Jami! Thank you, Hooper!
Alize
Expertise (5)
Service (5)
Solve Problems (5)
Hoops for Hooper!
February 16, 2023
Hooper is a long standing company as is General Heating which until a while ago was a separate company. We have used them over the years, over 10, and have been completely satisfied with their service.
JOHN
Expertise (5)
Service (5)
Solve Problems (5)
A Christmas Surprise
January 03, 2023
They were able to squeeze me in very quickly after finding that my old furnace was shot. With near zero temperatures and Christmas a couple days away, I was thankful to have such great service.
DON
Expertise (5)
Service (5)
Solve Problems (5)
Furnace Install
December 31, 2022
We are very pleased with the level of service provided. The techs were knowledgeable and friendly.
KIM
Expertise (5)
Service (5)
Solve Problems (5)
Professional
November 22, 2022
Replaced broken furnace quickly. Entire crew was very professional.
TRAVIS
Expertise (5)
Service (5)
Solve Problems (5)
Thanks Robert and Tyler….Awesome Job!
September 16, 2022
Both Robert and Tyler did an exceptional job from start to finish installing a new furnace and ac system at my home.
AL
Expertise (5)
Service (5)
Solve Problems (5)
Whom do you call to help you with anything HVAC related?
July 14, 2022
I've worked with HVAC contractors for a living and while I was surprised at the age of the installers when they arrived, I knew they were representing a company I've also worked with for decades, albeit under a different name, General. I was not surprised at the level of experience and expertise they showed during their work. I would hire them and Hooper again and recommend Hooper to a friend.
ROD
Expertise (5)
Service (5)
Solve Problems (5)
Great service
June 07, 2022
great experience and the process was fast when i needed it to be.
STEVEN
Expertise (4)
Service (5)
Solve Problems (5)
Hooper was awesome to work with!
May 17, 2022
From Jami in sales to the service/installers, A+ service. This was our 2nd install by Hooper \& we couldn't be happier.
CATY
Expertise (5)
Service (5)
Solve Problems (5)
Excellent service and quality of work done by Hooper!
May 17, 2022
Excellent quality of work. Installers Robert and Tanner were both knowledgeable, friendly and efficient.
KYLE
Expertise (5)
Service (5)
Solve Problems (5)
Excellent
May 03, 2022
Outstanding
HARRY
Expertise (5)
Service (5)
Solve Problems (5)
Furnace installation
May 02, 2022
installed previous furnace
ARTHUR
Expertise (5)
Service (5)
Solve Problems (5)
Quick and Easy
February 22, 2022
None
GRAHAM
Expertise (5)
Service (5)
Solve Problems (5)
Great experience
December 28, 2021
Hooper did a great job of diagnosing the issue with our existing furnace and then recommending a new furnace to install. The installers were professional, courteous and did a great job.
JIM
Expertise (5)
Service (5)
Solve Problems (5)
Great experience
December 28, 2021
Hooper did a great job of diagnosing the issue with our existing furnace and then recommending a new furnace to install. The installers were professional, courteous and did a great job.
JIM
Expertise (5)
Service (5)
Solve Problems (5)
Hooper is great!
December 09, 2021
Fast and Friendly Installation!
BOB
Expertise (5)
Service (5)
Solve Problems (5)
knowledgeable, friendly, and great to do business with. Would highly recommend!
December 08, 2021
Had them replace my 22 year old furnace. Both office and field staff were great to work with!
NATE
Expertise (5)
Service (5)
Solve Problems (5)
Our recent furnace replacement
October 29, 2021
the installation team was prompt, and courteous. The installation team was prompt and courteous and completed the project on time as promised. Explained the process before installing and provided the information so we could obtain our energy credit. would recommend strongly for any HVAC work.
JUDI
Expertise (5)
Service (5)
Solve Problems (5)
Carrier furnace install
September 24, 2021
none
JERRY
Expertise (5)
Service (5)
Solve Problems (5)
Same Day Quote & Install Service
August 24, 2021
Despite the guys coming late, they were a pure pleasure to work with \- they stayed until 830 at night to complete the installation; we were delighted to have our AC restored!
CHRISTY
Expertise (5)
Service (5)
Solve Problems (5)
General Heating is the best company to go to for all your heating needs. They are expereinced and knowledgeable.
August 03, 2021
Very satisfied with the work General Heating did for me when they replaced my furnace. They are professional, fast and efficient in getting the work done and they also have great customer service.
Tom
Expertise (5)
Service (5)
Solve Problems (5)
New air conditioner installation
July 24, 2021
Very professional.
Charlene
Expertise (5)
Service (5)
Solve Problems (5)
Personal customer focus and communication with high quality service and product by General Heating and Carrier
June 23, 2021
See article title
JOHN
Expertise (5)
Service (5)
Solve Problems (5)
Good Job & Fast
June 23, 2021
Quick and fast and efficient installation of new AC unit. Great job.
DAVID
Expertise (5)
Service (5)
Solve Problems (5)
Friendly and knowledgeable technicians.
June 23, 2021
Technicians went about their business in a very professional manner.
LARRY
Expertise (5)
Service (5)
Solve Problems (5)
Great experience, excellent work done
May 18, 2021
General did a great job on our HVAC replacement and install. They were very punctual and completed the job sooner than expected.
DAN
Expertise (5)
Service (5)
Solve Problems (5)
Excellent Service
February 19, 2021
Installation of new unit was done quickly and well. Emergency service was very responsive and fast.
ROGER
Expertise (5)
Service (5)
Solve Problems (5)
Very Satisfied
December 24, 2020
General Heating did a great job.
JOHN
Expertise (5)
Service (5)
Solve Problems (5)
Excellent service, as always
December 11, 2020
I've been using General Heating for over 30 years and have always been very satisfied with their work.
GERALDINE
Expertise (5)
Service (5)
Solve Problems (5)
Perfection!!!
October 21, 2020
I only use this firm for all my HVAC needs.
BARBARA
Expertise (5)
Service (5)
Solve Problems (5)
Great Experience
October 06, 2020
Great job, great install
Michael
Expertise (5)
Service (5)
Solve Problems (5)
Excellent
August 20, 2020
Prompt courteous service.
Marilyn
Expertise (5)
Service (5)
Solve Problems (5)
Quality Work
July 25, 2020
The team did an excellent job
ALEC
Expertise (5)
Service (5)
Solve Problems (5)
Very professional and efficient
July 16, 2020
Initial diagnosis of air conditioner problem was incorrect, but follow up work was very professional and well done.
WILLIAM
Expertise (4)
Service (5)
Solve Problems (4)
Professional Services
June 23, 2020
Installed professionally and as scheduled
GLENN
Professional
June 20, 2020
Will recommend to others
LINDA
My experience with General Heating & Cooling
June 17, 2020
Robert and Avery were very professional, courteous, and diligent. Jamie, my salesman, was friendly, knowledgeable, and responsive. Great job General Heating \& Cooling!
STEVE
Expertise (5)
Service (5)
Solve Problems (5)
EXCELLENT EXPERIENCE!
June 04, 2020
Everything went exceptionally well from start to finish. knowledge,professionalism,installation,product,personal attention
JAN
Expertise (5)
Service (5)
Solve Problems (5)
Showed up earlier thanexpected. Quick work of replacing furnace
April 02, 2020
The guys did a great job. They came earlier than expected, and were finished under the 4 hours quoted
JEFF
Expertise (5)
Service (5)
Solve Problems (5)
Professional, experienced, easy to work with
January 06, 2020
Professional, experienced, easy to work with
ALLEN
Expertise (5)
Service (5)
Solve Problems (5)
New furnace install
November 25, 2019
Have called General Heating \& Air Conditioning for past service to old furnace, install of new A/C unit, and now for new furnace install. Prices are reasonable and service is done promptly by well trained technicians. Highly recommend this business.
JOHN
Expertise (5)
Service (5)
Solve Problems (5)
Well it was very easy they were done in 4 hours
August 15, 2019
Wow are u people making tons of money!! $3900 bucks for an air conditioner installed? Um 4 hours of work. Yea. Watch out home owners these ain?t cheap
MATT
Expertise (5)
Solve Problems (5)
Very professional
August 12, 2019
My experience with General Heating from the start was very professional. They made suggestions and everything was completed in A very timely manner. Highly recommended
TERESA
Expertise (5)
Service (5)
Solve Problems (5)
Professional Craftsman - Quality Work
July 24, 2019
Performed quality work safely and in a timely manner. Would definitely use them again without hesitation. Highly recommend them for all your HVAC needs.
JOHN
Expertise (5)
Service (5)
Solve Problems (5)
Great Experience
July 17, 2019
We have been dealing with General Heating \& Air Conditioning for over 20 years and have never been disappointed with their service. Service and installers are very friendly, knowledgeable and clean up after done with their job. Would recommend the company to others.
John
Expertise (5)
Service (5)
Solve Problems (5)
Highly Recommend
July 10, 2019
They have always done fantastic job for us!!
AGC
Expertise (5)
Service (5)
Solve Problems (5)
General Heating & Cooling
May 22, 2019
Down to earth Sales man. explained everything really well. installation crew were awesome! Fast, friendly, professional. had them install furnace in 2012. so good then had them do the a/c in 2019 and they provided same excellent service like they did then. will always do business with them
TRAVIS
Expertise (5)
Service (5)
Solve Problems (5)
Fast, professional installation....couldn't be happier!
May 22, 2019
Crew showed up at the exact time specified. Very efficient installation, having everything they needed on their truck with no need to run for parts. Highly recommended!
AL
Expertise (5)
Service (5)
Solve Problems (5)
Years of reliable service
May 17, 2019
We have used General Heating and Air for many many years in the Madison area. They are prompt, their service personnel are knowledgeable, and we have always been pleased with the result of their service for both air conditioning and heating.
Brian
Expertise (5)
Service (5)
Solve Problems (5)