HVAC installation and replacement in Nashville, TN

Both work here. Heat pumps handle most Middle Tennessee winter days efficiently and also provide cooling, while gas furnaces deliver strong heat on the coldest nights. Many homes with gas service choose a dual-fuel system that uses each where it performs best. We compare options for your home and utility rates.

A straightforward replacement of an existing system in a home is often completed in one to two days. Ductwork changes, electrical upgrades, crane lifts for rooftop units or equipment back-orders can extend that. We give you a schedule before work begins and keep you updated if anything changes.

Yes. GridWise Energy is both an electrical and HVAC contractor, so our electricians handle breakers, disconnects, dedicated circuits and thermostat or controls wiring as part of the installation. That avoids waiting for a separate electrician and keeps one company responsible for the whole system.

Yes. We replace and install packaged rooftop units and split systems for retail, office and light industrial buildings. We coordinate crane lifts, curb adapters, gas and electrical connections, controls and startup, and we schedule work to limit disruption for tenants and customers in occupied buildings.

In most Middle Tennessee jurisdictions, replacing heating and cooling equipment requires a mechanical permit, and electrical changes may need their own. Requirements vary by city and county. We confirm the permits for your address, pull them and schedule the inspections so the work is documented.

Utility and manufacturer incentives change frequently, and availability depends on the equipment and your utility. We will point you to current programs we know about and help with any required paperwork, but we do not promise a rebate until the program administrator confirms eligibility. Financing options will be listed once confirmed.