Residential HVAC services

AC, heat, air quality, ducts, and backup power.

D&G services heat pumps, split systems, package units, gas systems, coils, ductless mini splits, thermostats, controls, generators, and home comfort equipment.

D&G technician checking an outdoor HVAC system

Air conditioning

Repair, replacement, tune-ups, inspections, split systems, package units, coils, heat pumps, ductless mini splits, Wi-Fi controls, and zone systems.

Call (615) 885-9585

Heating

Heating repair, replacement, maintenance, heat pump systems, gas heating systems, dual fuel solutions, and zone heating.

Call (615) 885-9585

Maintenance plans

Semi-yearly spring and fall visits with system checks, cleaning, calibration, electrical inspection, refrigerant monitoring, and drain cleaning.

Call (615) 885-9585

Indoor air quality

Air purification, odor control, humidity support, ventilation maintenance, and cleaner indoor air recommendations.

Call (615) 885-9585

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.

Call (615) 885-9585

Generators

Whole-house generator options, including Briggs & Stratton backup power solutions for outages.

Call (615) 885-9585

System work

Comfort equipment needs the right visit for the right issue.

Ask about repairs, tune-ups, replacement evaluations, new construction work, system inspections, air quality measures, duct cleaning, dryer vent cleaning, Wi-Fi controls, and zone systems.

D&G technician reviewing thermostat settings with a homeowner