215-258-4250|678-882-4375

Expert Service

Generator Maintenance

A generator that fails when the power goes out is worse than no generator at all. D&H Comfort HVAC provides professional generator maintenance and repair to ensure your standby or portable generator starts reliably when you need it most.

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Service Benefits

  • Standby & portable generator service
  • Annual load testing
  • Oil & filter changes
  • Battery inspection & replacement
  • Transfer switch testing
  • All major brands serviced

Common Issues

Problems We Solve

Generator Won't Start

Dead batteries, stale fuel, or ignition issues can prevent startup. We diagnose and restore reliability.

Generator Runs Rough or Stalls

Carburetor issues, dirty fuel injectors, or overloaded circuits can cause rough running.

Transfer Switch Problems

A faulty transfer switch can prevent the generator from automatically powering your home. We test and repair these critical components.

Generator Fails Under Load

Generators that shut down under load may have voltage regulation, fuel supply, or mechanical issues we'll diagnose.

Why Choose Us

Why Choose D&H for Generator Maintenance?

  • Generator maintenance experts serving Philadelphia-area homes and businesses

  • We recommend and perform load testing to verify true readiness

  • Maintenance plans to keep your generator ready year-round

  • Commercial generator service available for businesses requiring uptime

Need Emergency Generator Maintenance?

We offer 24/7 emergency service. Call us right now and a live technician will pick up.

215-258-4250678-882-4375

FAQs

Frequently Asked Questions

Annually, plus after every 200 hours of operation. We recommend testing your generator monthly.
We service Generac, Kohler, Briggs & Stratton, Cummins, and most other major generator brands.
Yes — we service commercial standby generators for businesses, hospitals, and property managers.
Oil and filter change, battery test, spark plug replacement, fuel system inspection, transfer switch test, and load test.

Related Services

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Professional furnace repair and diagnostics for gas and electric furnaces.

Boiler Maintenance

Expert boiler service, maintenance, and repair for residential and commercial properties.

Ready to Schedule Your Generator Maintenance?

Call us now or submit a service request. We'll get you scheduled fast.

215-258-4250Request Service Online