Deiter Bros. Heating Cooling Energy

Deiter Bros. Heating Cooling Energy repairs, replaces and installs furnaces, heat pumps, boilers and air conditioning, with emergency service, from its base in Bethlehem across the Lehigh Valley.

What they do

The company handles heating and cooling repairs, replacements and installations, with work on furnaces, heat pumps, boilers and air conditioning. It also services ductless mini-splits and water heaters, and it works on standby generators. Equipment from Mitsubishi is among the brands it works with. Emergency service is offered, and financing is available for upgrades and repairs. Maintenance plans cover seasonal tune-ups and inspections. Estimates can be requested online. Founded in 1929, the family-owned business serves Bethlehem, Allentown, Easton and Emmaus, along with the surrounding area.

Source: dbrothers.com (opens in a new tab)

  • Furnace repairs and installs
  • Boiler service
  • Heat pumps
  • Ductless mini-splits
  • Air conditioning
  • Heating repairs

Listed under Heating and cooling emergencies

Where they work

Allentown, Pennsylvania

What we checked

Checked 12 Nov 2026, from public sources.

Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.

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