Why Choose PHD?
A failing hydronic boiler can quickly leave your home cold and unsafe. PHD Heating & Cooling provides professional repair for all standard hot water boiler brands, delivered by licensed and insured HVAC technicians trained in both modern and older boiler systems.
We repair:
Weil-McLain, Dunkirk, Crown, Burnham, Peerless, Pennco, Slant/Fin, Laars, Utica, Lochinvar, and all similar hydronic boilers.
Common issues we fix include:
• no heat or insufficient heat
• leaking boiler or piping
• circulator pump failure
• air lock in radiators/baseboards
• ignition and burner problems
• pressure/expansion tank issues
• faulty aquastat or safety controls
• loud banging or kettling
• flue or draft problems
• overheating or short-cycling
Unlike large companies that often rush diagnostics or push unnecessary replacements, we believe in honest, careful, accurate troubleshooting. Our approach is slow, precise, and methodical — ensuring long-term reliability instead of temporary fixes.
We use OEM components whenever possible and always follow safe hydronic repair procedures.
We service Chicago (West Loop, Lakeview, Bucktown, Lincoln Park) and suburbs including Elmhurst, Wilmette, Winnetka, Evanston, Northbrook, Palatine, Glenview.
Why Choose Us for Boiler Repair?
• Licensed & insured hydronic repair specialists
• Repair for all major standard boiler brands
• Accurate diagnostics & long-lasting solutions
• OEM replacement parts
• Clean, careful workmanship
• Honest recommendations
• Same-Day Service Available
Restore your boiler’s performance quickly and professionally.
Book your service appointment today.
Our Latest Installations
Boiler not producing heat?
Our experts find the issue fast and repair it the correct way, not the shortcuts other companies take.
Get dependable heat restored with professional diagnostics.