7 HVAC Maintenance Contractors in Windsor Mill, MD

4.6 avg rating
4,976 total reviews2 offer 24/7 service

Top-Rated HVAC Maintenance Contractors in Windsor Mill

#1

Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical

4.8(4,838 reviews)
24/7 Highly Rated

All two reviews carry 5-star ratings and name specific technicians who exceeded scheduling expectations. Both mention prompt arrival, professional demeanor,…

2607 Rolling Rd. #201, Windsor Mill, MD 21244
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#2

Sears Heating and Air Conditioning

4.0(64 reviews)

Three indexed reviews split between one 5-star and two 1-star ratings. Negative reviews cite unmet promises on insulation work and system performance issues,…

7200 Rutherford Rd, Windsor Mill, MD 21244
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#3

Frosty Refrigeration Co

4.8(20 reviews)

All seven readable reviews award five stars, with customers specifically naming technicians who served them. Common themes include same-day emergency response,…

7121 Windsor Mill Rd, Windsor Mill, MD 21244
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All HVAC Maintenance Contractors (7 total)

Airtron Heating and Air Conditioning

4.8(19)
24/7

4 of 5 reviewers awarded five stars, while the single one-star review describes repeated part replacements…

7128 A Ambassador Rd, Windsor Mill, MD 21244
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King Mechanical Company, Inc.

4.4(17)

Four reviewers specifically mention same-day or next-business-day service for emergency HVAC issues, with…

1718 Belmont Ave, Windsor Mill, MD 21244
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Tech24

4.5(13)

Seven of thirteen reviewers awarded five-star ratings, with multiple customers naming specific technicians…

2545 Lord Baltimore Dr, Windsor Mill, MD 21244
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Aegis Mechanical Corporation

4.8(5)

All five client reviews award five stars, with feedback emphasizing reliability, technical precision, and…

2056 Lord Baltimore Dr, Windsor Mill, MD 21244
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HVAC Maintenance Costs in Windsor Mill

Routine tune-up and maintenance plan pricing for Windsor Mill homeowners.

ServiceLowAverageHigh
Single AC tune-up
$70$125$200
Single furnace tune-up
$80$135$220
Full HVAC inspection
$150$275$400
Annual maintenance plan
Includes 2 visits/year + discounts on repairs
$120$240$360
Premium maintenance plan
Priority service + free diagnostics
$200$350$500
Duct cleaning (full home)
$300$475$800
Filter replacement (per filter)
$15$35$75

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Maintenance in Windsor Mill, MD: What to Expect

Windsor Mill homeowners face real demands from the climate here, with hot humid summers pushing temperatures into the high eighties and cold Chesapeake Bay winters that drop to around twenty-seven degrees. That coastal humidity creates extra cooling loads in summer while freezing winters put serious strain on heating equipment, making routine HVAC maintenance in Windsor Mill less of a luxury and more of a necessity. The market reflects this urgency, with seven contractors serving the area and maintaining an average rating of 4.6 stars across nearly five thousand reviews.

Service costs follow clear benchmarks in this region. A single AC tune-up runs seventy to two hundred dollars, a furnace tune-up ranges from eighty to two hundred twenty dollars, and a full HVAC inspection typically costs one hundred fifty to four hundred dollars. Maryland law requires contractors to hold a Master HVACR License from the state labor board, which provides a baseline of accountability for homeowners scheduling service.

Customer feedback highlights what separates reliable providers from the rest. Reviews for Frosty Refrigeration Co consistently mention same-day emergency response and honest assessments about whether repair or replacement makes the most sense. Horizon Services draws praise for technicians who arrive promptly, explain technical issues clearly, and sometimes exceed scheduling expectations. These patterns matter more than marketing when your furnace fails on a twenty-seven-degree January night.

Frequently Asked Questions

HVAC maintenance in Windsor Mill costs $70-$200 for a single tune-up and $120-$360 annually for a maintenance plan covering both AC and furnace. Full system inspections run $150-$400. Most plans include 2 visits per year (spring AC, fall heating) plus priority scheduling and discounts on repairs.