HVAC Installation & Service in Annapolis, MD
HVAC Installation & Service companies serving Annapolis — compare ratings, hours, and contact details.
38
Pros actively working
4.6
What people rate them
10
Real reviews
Annapolis, Maryland HVAC company map
See where the best hvac installation & service crews are located around Annapolis, Maryland.
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HVAC Installation & Service in Annapolis: what the listings show
Of the 38 HVAC Installation & Service contractors listed in Annapolis, 10 advertise 24-hour availability and 14 are open on Sundays.
38
contractors listed
10
open 24 hours (27%)
14
open Sunday (38%)
23
open Saturday (62%)
35
have a website
Why Annapolis's mixed weather breaks HVAC systems
In Annapolis, summer highs average 85°F. That strains compressors, refrigerant lines, and condensate drains. Common local issue: compressor wear due to high runtime. Recommended: systems rated SEER2 15+ for this climate.
Complete HVAC Installation & Service in Annapolis
System installation
Manual J sizing, duct design, and equipment commissioning.
Heat pumps
SEER2 and HSPF2 optimized heat pump installs.
Ductwork upgrades
Airflow balancing and duct sealing.
Smart controls
Thermostat calibration and zoning.
HVAC Installation & Service costs in Annapolis (2026 estimates)
| Service | Low | High |
|---|---|---|
| System replacement | $8,976 | $13,464 |
| Heat pump install | $10,608 | $15,912 |
| Ductwork upgrade | $3,672 | $5,508 |
Prices reflect local labor rates in Maryland.
Serving Annapolis and surrounding neighborhoods
Verified hvac installation & service companies cover ZIP codes across the Annapolis metro and surrounding areas.
Annapolis HVAC permits & rebates
Permits Required
Most system replacements in Annapolis require a permit from the Annapolis Building Department.
Available Rebates
Check for rebates with your local utility provider for SEER2 heat pumps, smart thermostats, and insulation upgrades.
Annapolis HVAC FAQ
Full system replacements in Annapolis average $8,000–$14,000 installed. Heat pump systems run $10,000–$16,000. Get at least 3 itemized bids including equipment, labor, permits, and disposal of the old unit.
Yes. Annapolis requires a mechanical permit for full system replacements and new gas line connections. Your licensed contractor must pull the permit before work starts and schedule a city inspection after installation.
Most straight-swap replacements take 4–8 hours. New construction installs or full duct replacements run 1–3 days. Confirm the scope includes equipment delivery, permit scheduling, and post-install commissioning.
Check license status through the Maryland state licensing board's online lookup tool. All installers working with refrigerant must also carry EPA Section 608 certification.
Top HVAC pros in Annapolis
Compare verified providers with strong local reputations and recent customer feedback.
Call to confirm availability and request a quote.
Rated 5.0 on Google. Call to confirm availability and request a quote.
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HVAC Installation & Service reviews in Annapolis
Hear from Annapolis homeowners about their experience with local hvac installation & service companies.
Went the extra mile by making an extra trip to install a humidifier element
Richard is a knowledgeable professional. He is prepared and personable. His plumbing inspection was thorough and he spent time to educate me on various findings.
Excellent service. Helpful suggestions for maintenance and took the time to maximize performance and safety.
HVAC Installation & Service performance guide for Annapolis, Maryland
Climate averages are state-level reference values, not city-specific measurements.
Climate impact in Annapolis, Maryland
Annapolis, Maryland sits in a Mixed-Humid climate zone with average summer highs near 85°F and winter lows near25°F. Those swings load the evaporator coil, blower motor, refrigerant lines, and condensate drain. Keep a clean MERV filter to protect the compressor.
Seasonal swings stress refrigerant lines and condenser capacity. Verify charge and airflow to protect the evaporator coil.
Most common local breakdowns
Evaporator coil icing from low airflow and clogged filters.
Capacitor failures on the condenser during peak cooling loads.
Low airflow from dirty MERV filters or a weak blower motor causes ice. Ask for airflow and refrigerant superheat checks.
Equipment recommendation
Balanced systems with SEER2 15+ and solid filtration protect the blower motor, coils, and compressor year-round. Seal ductwork and schedule coil cleaning to protect the heat exchanger, capacitor, and compressor.
Heat pumps favor variable-speed compressors and tight refrigerant line sets to stabilize humidity control.
Local code and housing notes
Ask contractors about Maryland energy code compliance and permits. Older homes often benefit from ductless mini-splits to reduce line-set length and improve zone control.
Mechanical permit for system replacement and condenser swaps.
Post-install inspection covering refrigerant line pressure and condensate drain routing.
Load calculation proof to avoid short-cycling compressors.
Airflow verification (blower motor speed + static pressure).
Always confirm a contractor's license and insurance before hiring.
Learn more: Maryland HVAC coverage · SEER2 rating guide · MERV filter selection · Editorial Policy · How We Rank