Holtzople Heating & Air Conditioning
HVAC contractor in Frederick, MD 21701
About this company
Holtzople Heating & Air Conditioning is listed as an HVAC contractor at 47 S Carroll St in Frederick, Maryland, in Frederick County. It is one of 13 HVAC companies in ZIP 21701.
Other HVAC companies nearby
Brick Street Plumbing & HVAC47 E All Saints St, Frederick
Under 0.1 mi(301) 969-4911
American Air, LLC8403 Eagles Nest Rd, Frederick
0.2 mi(301) 676-9234
BPM Heating, Cooling & Plumbing300 E 4th St Unit A, Frederick
0.5 mi(240) 200-0887
Honest Air Heating & Air Conditioning511 N Bentz St, Frederick
0.7 mi(240) 931-0112
Warner Service217 Monroe Ave, Frederick
0.9 mi(301) 200-9774
Housing market around ZIP 21701
Figures describe the local area, not this company.
Typical home value$443,000−1.0% past year · +57% in 10 years
Typical rent$2,158+3.3% past year
12-month value outlook+0.2%Roughly flat
New homes permitted, 20251,168Frederick County
Days to sale agreement19Washington metro · 17 a year ago
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: Frederick County permitted 1,168 new homes in 2025, including 354 apartment units. 25% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.