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Water Heater Repair in Delaware

Across the 43 Delaware towns we route calls in, 22 lead on gas and 19 on electricity and 2 on fuel oil. Which one your own town leans towards decides what can go wrong with the tank in your basement.

Answer first

Of the 43 towns covered in Delaware, 22 lead on gas, and the weighted shares across them are 52% gas, 37% electricity and 9% fuel oil. A gas heater and an electric one fail in almost entirely different ways.

Source: US Census Bureau, American Community Survey 5-year estimates, table B25040.

HeaterRelay is a referral service, not a contractor. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands. Every state page sets out who licenses plumbers there and where to check, so you can confirm before work begins. We carry out no work, we sell no equipment, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call.

What Delaware burns

Weighted across 394,625 occupied housing units in the areas we cover:

Fuel	Share of households
Gas — mains and bottled	52%
Electricity	37%
Fuel oil and kerosene	9%
Everything else	2%

Source: US Census Bureau, American Community Survey 5-year estimates, table B25040 (house heating fuel), 2023 release. B25040 counts what heats the house, which predicts but does not measure what heats the water.

The largest towns we route

Town	Leads on	Share	Households
Wilmington	Gas	59%	92,951
Newark	Gas	51%	52,676
Dover	Gas	58%	29,140
New Castle	Gas	57%	23,102
Middletown	Gas	72%	17,649
Bear	Gas	57%	16,798
Millsboro	Gas	46%	15,130
Lewes	Electricity	49%	14,358

Checking a plumber in Delaware

Delaware licenses are issued by the Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, which publishes a public search you can use before work begins.

Towns we route in Delaware

Bear gas · 57% of households
Bethany Beach electricity · 74% of households
Bridgeville electricity · 55% of households
Camden Wyoming gas · 63% of households
Claymont gas · 53% of households
Clayton gas · 57% of households
Dagsboro electricity · 55% of households
Delaware City gas · 43% of households
Delmar electricity · 60% of households
Dover gas · 58% of households
Ellendale electricity · 66% of households
Felton electricity · 46% of households
Fenwick Island electricity · 83% of households
Frankford electricity · 61% of households
Frederica gas · 42% of households
Georgetown electricity · 64% of households
Greenwood electricity · 58% of households
Harbeson gas · 51% of households
Harrington electricity · 51% of households
Hartly gas · 42% of households
Hockessin gas · 55% of households
Houston electricity · 52% of households
Laurel electricity · 52% of households
Lewes electricity · 49% of households
Lincoln electricity · 56% of households
Magnolia gas · 68% of households
Marydel electricity · 33% of households
Middletown gas · 72% of households
Milford electricity · 51% of households
Millsboro gas · 46% of households
Milton gas · 46% of households
New Castle gas · 57% of households
Newark gas · 51% of households
Ocean View gas · 52% of households
Odessa fuel oil · 46% of households
Port Penn fuel oil · 70% of households
Rehoboth Beach gas · 46% of households
Seaford electricity · 59% of households
Selbyville electricity · 51% of households
Smyrna gas · 69% of households
Townsend gas · 60% of households
Viola gas · 39% of households
Wilmington gas · 59% of households

Know the fuel and the symptom? That is most of the call.Gas and electric heaters fail in almost entirely different ways, so saying which you have gets you to the right person faster. We route the call and never charge you for it. Water heaters are what we write about; the number goes further.

Call (866) 871-2892