Anderson Heating, Air & Insulation (formerly John Anderson Service Company, est. January 1978) — experts in high-performance window and door installation that improves comfort, lowers energy bills, and boosts curb appeal across Calhoun, Dalton, Rome & NW Georgia.
Anderson Heating, Air & Insulation provides energy-efficient window and door installation as part of our whole-home energy approach across Northwest Georgia. Windows and doors are major energy-loss points — pairing replacement with HVAC and insulation upgrades multiplies the savings. Family-owned and BPI-certified since 1978.
Your windows and doors are a major part of your home's energy envelope. Anderson Heating, Air & Insulation (formerly John Anderson Service Company) helps you choose and install high-performance windows and doors that complement your insulation, HVAC, and overall comfort strategy.
"We don't just replace windows. We improve the whole house."
— The Anderson Difference
We recommend windows and doors that work with your insulation, air sealing, and HVAC for maximum efficiency.
We partner with top manufacturers and our experienced installers ensure a perfect fit and finish.
Hundreds of families in Calhoun, Dalton, and Rome trust us for quality window and door work.
Family-owned since 1978. We know how to improve comfort and efficiency in Northwest Georgia homes.
Modern double or triple-pane windows with low-E coatings and argon gas can reduce heating and cooling costs by 15-30% while improving comfort and reducing outside noise.
Yes. We install vinyl, fiberglass, and wood windows, plus entry doors, patio doors, storm doors, and specialty windows. We work with top brands like Andersen, Pella, Marvin, and more.
Most homes can have all windows replaced in 1-3 days. We handle removal of old windows, installation, and cleanup so your home stays comfortable throughout the process.
Yes. We offer financing through Optimus (GreenSky, Wisetack) and special senior/military discounts to make energy-saving upgrades affordable.
Yes. Energy-efficient windows and doors are one of the highest-ROI home improvements. They improve curb appeal, comfort, and resale value.
Most homeowners judge a window install by what they see from inside — square reveals, tight caulk lines, clean trim. Our crews finish every window with the same attention as the install itself, because the finish work is what you live with every day.
Call the family-owned experts who have been doing this right since 1978.
Anderson Heating, Air & Insulation — The Paws-itive Choice 🐾
Formerly John Anderson Service Company • Serving NW Georgia since 1978
Typical AC or furnace repair in Calhoun ranges from $150 to $450 depending on the issue. We always provide upfront pricing before any work begins — no surprises.
Yes. We offer same-day service for emergency repairs in Calhoun, Dalton, Rome, and all of Northwest Georgia. Call (706) 629-0749 for immediate help.
Absolutely. Your HVAC system is only as good as your home's insulation and air sealing. We regularly see 30-50% energy savings when combining HVAC upgrades with insulation and air sealing.
We partner with Optimus (GreenSky and Wisetack) for flexible financing through our approved lending partners. Approval, terms, and monthly payments vary by customer, project, and credit profile. Ask about example payment scenarios when you call.
Yes. We are the only BPI Certified HVAC company in the area. This means we look at your whole home's energy performance, not just the equipment.
