"Mike helped me understand my system and what was wrong with it. Didn't pressure me to replace my unit, and he did the fix quickly."
Cindy M.Veteran and locally owned HVAC service for Greater Nashville homes.
Home comfort service from Nashville technicians.
Call D&G for air conditioning, heating, maintenance, indoor air quality, duct cleaning, generators, and system replacement quotes across Greater Nashville.
What to call for
Repair, tune-up, replacement, and indoor comfort work.
D&G works on the equipment Nashville homes rely on through hot summers, cooler months, allergy season, and power outages.
Air conditioning
Repair, replacement, tune-ups, inspections, split systems, package units, coils, heat pumps, ductless mini splits, Wi-Fi controls, and zone systems.
Heating
Heating repair, replacement, maintenance, heat pump systems, gas heating systems, dual fuel solutions, and zone heating.
Maintenance plans
Semi-yearly spring and fall visits with system checks, cleaning, calibration, electrical inspection, refrigerant monitoring, and drain cleaning.
Indoor air quality
Air purification, odor control, humidity support, ventilation maintenance, and cleaner indoor air recommendations.
Duct and dryer vent cleaning
Duct cleaning for airflow, allergens, odors, mold prevention, and dryer vent cleaning to help dryer performance and reduce lint buildup.
Generators
Whole-house generator options, including Briggs & Stratton backup power solutions for outages.
Greater Nashville
Local service with real trucks, real people, and real contact.
D&G is veteran and locally owned, with more than 25 years of HVAC experience, certified technicians, and residential service across Nashville and surrounding towns.
Maintenance
Two visits a year to keep the system watched.
Maintenance Service Agreements include a spring visit and a fall visit for inspection, cleaning, calibration, electrical checks, drain cleaning, and system care.
Customer words
Homeowners mention communication, timing, and careful work.
Customers talk about communication, timing, explanations, clean work, and technicians who help them understand the system.
"D&G repaired both our home and business heater units on the same day. Justin was kind, helpful, efficient, and quick."
Lisa C."They arrived early, cleaned up after themselves, did great work, and kept communication strong."
Amber B."Completely professional, and a technician was able to come out ASAP. I certainly recommend them."
Stacey M.Start here
Call or email for service, maintenance, or a replacement quote.
Share the system issue, the home location, and the best way to reach you. D&G can help with routine maintenance, annual service agreements, repairs, technician visits, and system replacement quotes.