Johnstone Supply

2.8(10 reviews on Google)

Heat Pump Installer listing in Rosedale, MD

About Johnstone Supply

Johnstone Supply in Rosedale is a wholesale distributor of HVACR equipment, parts and supplies for contractors, with stock at local branches. It does not install systems itself. The catalog covers commercial packaged units, split systems, furnaces, air handlers and evaporator coils, single and multi-zone ductless mini-split heat pumps, geothermal units, and repair parts, grilles, sheet metal and installation accessories. Contractors can request an account and use a cross-reference search for parts. Homeowners looking for installation should contact an installer. Rated 2.8 from 10 Google reviews, four of them five stars and five single star. Other categories include refrigeration supplies, electrical installation supplies, test instruments, tools and training. The online store is available in English and Spanish, with a locator for local stores and tools for contractors.

What reviewers mention: helpful staff (4)

Services and details

  • Installs heat pumpsNo

No information yet on load calculation (Manual J), energy audit or air sealing, ductwork, ductless mini-splits, geothermal, cold-climate heat pumps, dual-fuel or hybrid systems, furnaces and boilers, rebate and EmPOWER help, financing, emergency service, maintenance plans, nATE-certified technicians, states license and insurance. The website did not say; call and ask.

Contact

Listing compiled from public sources on 2026-10-18. Report a correction or request removal. Back to heat pump installers in Rosedale.