HVAC Services in Montgomery County, PA

Diamond Dave's Mechanical Service LLC serves Montgomery County from our Bucks County base in Trevose — most of eastern Montgomery County is a 15-20 minute drive. Residential and commercial HVAC, heat pumps, boilers, water heaters, and ductless mini-split installs for Montgomery County homeowners who want family-owned over big-chain.

We serve: Horsham, Willow Grove, Jenkintown, Abington, Hatboro, Ambler, Glenside, Elkins Park, Fort Washington, Dresher, Rydal, Meadowbrook, and the surrounding townships. Easy access from Route 611 and the PA Turnpike means fast response — often same-day for Montgomery County service calls.

HVAC services available in Montgomery County, PA

• Gas furnace install & repair — new installs, replacements, annual tune-ups, emergency diagnostics
• Central air conditioning — install, replacement, service, refrigerant work, compressor repair
• Heat pumps — air-source heat pumps, cold-climate inverter systems, hybrid dual-fuel setups
• Boilers & hot-water heat — gas, oil & steam boilers, circulators, expansion tanks, leak diagnosis
• Water heaters — tank and tankless, gas and electric, install and service
• Ductless mini-splits — single-zone and multi-zone, perfect for finished basements, additions, and sunrooms
• Annual maintenance — spring AC tune-up, fall furnace tune-up, catch problems before they become emergencies
• 24/7 emergency service — Dave answers the phone day or night when heat or AC goes out

Why Montgomery County residents choose Diamond Dave's

• 23 years in the trade — not a franchise, not a corporate chain. Dave Dipaola owns and operates the business.
• Fully licensed & insured in Pennsylvania — paperwork available on request.
• Fair, honest quotes — low overhead means we can price service and equipment fairly.
• Same-day service is routine for Montgomery County — we're based in nearby Trevose.
• 5.0 stars across 11 Google reviews — real neighbors, real jobs, verifiable on Google.