Berthiaume Heating & Air Services

HVAC contractor in Port Republic, MD 20676

Call (443) 532-6118 mdbhas.com Directions

About this company

Berthiaume Heating & Air Services is listed as an HVAC contractor at 1895 Parkers Creek Rd in Port Republic, Maryland, in Calvert County. Federal motor carrier records list 2 drivers and 1 trucks for the company. It is one of 3 HVAC companies in ZIP 20676.

Other HVAC companies nearby

Continental Service2192 Solomons Island Rd S, Prince Frederick

1.6 mi(410) 535-0091

Sears Heating and Air Conditioning255 Solomons Island Rd S, Prince Frederick

3.0 mi(443) 269-8877

All Weather Mechanical, LLC468 Toms Ln, Saint Leonard

3.1 mi(443) 295-5598

Patuxent Heating & Air Conditioning3817 Cassell Blvd, Prince Frederick

3.2 mi(301) 855-9038

True Blue HVAC5631 Mills Field Ln, Port Republic

4.5 mi(410) 474-4798

Fleet size

Drivers2

Trucks1

Last federal filing: Jan 2026. Source: FMCSA.

Strong market, crowded fieldArea profitability for HVAC in ZIP 20676

Housing demand70

Sales pace, new listings and new construction. Source: Zillow

Customer spending power92

Household income and home values

Room for another HVAC company1

More crowded than 99% of US ZIPs

Scored against every US ZIP. An index of local conditions, not this company's results.

County context

One of 24 HVAC companies in Calvert County, MD.

114 general contractors in Calvert County, MD.

All 224 construction companies in Calvert County, MD.

ZIP 20676 at a glance

Population: 3,218 (86 per sq mi)
Median age: 45
Households: Median income $156,657 · 81% earn six figures
Housing: 87% owner-occupied
Workforce: 66% labor-force participation · 2.1% unemployment

ZIP figures are US Census estimates for the ZIP area, not the company.

Housing market around ZIP 20676

Figures describe the local area, not this company.

Typical home value$504,000+2.0% past year · +52% in 10 years

12-month value outlook+0.6%Roughly flat

Days to sale agreement19Washington metro · 17 a year ago

New homes permitted, 2025157Calvert County

Listings with a price cut29.4%Washington metro

Sale price vs list99.7%Washington metro

New construction sales489Washington metro, Aug · −24% from last year

Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.

Typical home value, last 10 years

Source: Zillow Home Value Index, Sep 2026.

Local building angle: Calvert County permitted 157 new homes in 2025, including 35 apartment units. 21% of the homes in this ZIP were built since 2000.

Local figures are estimates from public records and Zillow housing data, updated regularly.