AC Maintenance
Tune-ups and seasonal inspections that catch small issues before they leave you sweating in July. We clean coils, check refrigerant, and confirm everything is running at peak efficiency.
From a quick seasonal tune-up to a full system replacement, our certified technicians handle heating, air conditioning, indoor air quality, and generators across Greater Nashville.
Whether you need a fast repair before guests arrive or a full system replacement that lowers your power bill, we handle every kind of residential cooling system.
Book a cooling serviceTune-ups and seasonal inspections that catch small issues before they leave you sweating in July. We clean coils, check refrigerant, and confirm everything is running at peak efficiency.
Heat pumps, split systems, package units, gas systems, coils, and dual fuel systems — we diagnose the actual problem and quote the cheapest fix that will solve it, not the most expensive one.
Replacing an aging unit? We size, install, and start up new systems from York, Carrier, Goodman, Trane, Lennox, and American Standard — and clean up like we were never there.
Heat pump installation and maintenance for homeowners who want a single system that handles heating and cooling year-round, efficiently.
From modern energy-efficient systems to traditional gas furnaces, we install, repair, and tune up every kind of residential heating setup.
Book a heating serviceModern energy-efficient and traditional systems, sized properly for your home and installed by techs who actually care if the airflow is balanced.
Furnace not lighting? Short-cycling? Strange noises? A certified technician at your doorstep within hours — often same-day when scheduling allows.
Reliable, code-compliant gas heating installs — from sizing the line to commissioning the unit, handled by a licensed crew with decades of field experience.
A heat pump for milder days, a gas furnace for the cold snaps. We install and maintain dual fuel systems that automatically choose the most efficient source for the conditions.
If your home feels dusty no matter how often you clean, or allergies flare up indoors, the problem is usually the air itself. We design solutions that fix it.
Improve your airWhole-home filtration, UV treatment, humidifiers, and dehumidifiers — matched to your home's size and your family's needs.
Dust, allergens, and debris collect in your ductwork year after year. A professional cleaning improves airflow, indoor air quality, and system efficiency.
Tennessee storms knock out power without warning. We install and service whole-home standby generators so your refrigerator, your HVAC, and your medical equipment never miss a beat.
Generator Installation
Properly sized for your home's actual load.
Annual Service
Keeping standby units ready when you need them.
Why heat or cool empty rooms? Modern controls let you set the temperature room by room, from your phone, with zero guesswork.
State-of-the-art Wi-Fi thermostats and zone heating & cooling systems put comfort exactly where you want it. Set the kids' bedrooms cooler at night, the kitchen warmer in the morning, and the spare bedroom only when guests stay over — all from your phone.
The cheapest repair is the one you never need. Our customizable HVAC maintenance plans keep your systems running efficiently year-round and catch the small issues before they become emergencies on a 95-degree afternoon.
Spring and fall visits scheduled automatically so your AC and heat are ready before the weather turns.
Plan members go to the front of the line during heat waves and cold snaps.
Discounts on repairs and parts when something does need attention between scheduled visits.
We specialize in the service, repair, and installation of a wide array of brands, including renowned names like:
Call us. We'll listen, ask the right questions, and tell you honestly what your system needs — and what it doesn't.
This is a draft services page for D&G A/C Services, Inc. — built by Glyph Sites.