17 HVAC Service Contractors in Timonium, MD

4.5 avg rating
3,256 total reviews1 offer 24/7 service

Top-Rated HVAC Service Contractors in Timonium

#1

Mr. Handyman of Northern Baltimore County

4.9(930 reviews)
Highly Rated

Five reviewers specifically mention technicians by name (Butch, Michael, Mike) with consistently positive feedback about their craftsmanship and communication.…

2233 Greenspring Dr, Timonium, MD 21093
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#2

SuperTech Services

4.9(655 reviews)
Highly Rated

Four hundred eighty-seven of 633 reviews are five-star ratings, with customers frequently citing technician knowledge and honest communication. Multiple…

9590 Deereco Rd, Timonium, MD 21093
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#3

Elmar Heating & Cooling

4.8(653 reviews)
24/7 Highly Rated

Every reviewer across the 631 reviews awarded five stars and explicitly named a technician. Brad, DaVic Mann, Will, Brian, Dennis, Adam, and David each…

9528 Deereco Rd, Timonium, MD 21093
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All HVAC Service Contractors (17 total)

Heil Plumbing & HVAC

4.9(423)
Highly Rated

All reviewers awarding 5 stars mention specific technicians like Jake, Chand, and Ronaldo who went beyond…

9603 Deereco Rd Ste 304, Timonium, MD 21093
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Pipco Air Conditioning & Heating Co., Inc.

4.8(242)
Highly Rated

Of 240 reviews, the 5-star ratings frequently mention same-day service and specific technicians Majid and…

26 W Aylesbury Rd, Timonium, MD 21093
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Chason Service Engineers Inc

4.9(199)
Highly Rated

Two hundred reviewers award Chason Service Engineers a 4.9-star average, with every customer survey…

57 W Timonium Rd #109, Timonium, MD 21093
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Zerodraft Maryland

4.6(45)

All five-star reviews describe successful energy efficiency projects, with three reviewers highlighting grant…

1850 York Rd Ste n, Timonium, MD 21093
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M & M Controls

4.7(26)

Seven of eight reviewers award five stars, praising technical expertise and helpful staff. The lone negative…

9 W Aylesbury Rd, Timonium, MD 21093
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JCM Control Systems

4.9(16)

Three published reviews collectively award 5-star ratings, with each narrative mentioning distinct service…

1812 Ridgeway Ave, Timonium, MD 21093
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Heating and Cooling Service

4.6(18)

Seven reviewers award five stars, with multiple customers highlighting same-day response during heat waves,…

12216 Tullamore Rd, Timonium, MD 21093
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HVAC contractor

3.4(21)

Of 20 total reviews, 3 award five stars emphasizing technical skill and professionalism, while 4 assign…

1300 Greenspring Dr, Timonium, MD 21093

Four Seasons Duct Cleaning

5.0(7)

Seven clients awarded perfect 5-star ratings, with four specifically mentioning before-and-after…

1134 York Rd Ste 309, Timonium, MD 21093
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Got Ductless: Baltimore Showroom

5.0(5)

All five reviewers award five stars, with consistent praise for response speed and support quality. Four…

9582 Deereco Rd, Timonium, MD 21093
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Got Ductless Warehouse

4.5(4)

4 reviews yield a 4.5 average rating; both detailed reviews mention successful resolution of WiFi integration…

9584 Deereco Rd, Timonium, MD 21093
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Timonium Plumbing Heating & AC

5.0(3)

All three reviewers award five-star ratings, with one specifically identifying the business as the best…

3 Roosevelt St, Timonium, MD 21093
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Trane Supply

2.9(8)

Six of eight reviews rate the business at 3 stars or below, with two positive reviews citing helpful staff…

2208 Greenspring Dr, Timonium, MD 21093
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Chilltrol Inc

3.0(1)
Timonium, MD 21093
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HVAC Service Costs in Timonium

General HVAC service pricing across maintenance, repair, and installation in Timonium.

ServiceLowAverageHigh
Service call / diagnostic
$75$120$200
Routine tune-up (single system)
$70$125$200
Standard repair (avg)
$150$600$1,200
Major repair (compressor, heat exchanger)
$1,500$2,500$3,500
New system installation (mid-range)
$6,500$10,500$14,000
Full HVAC replacement
AC + furnace combined
$11,590$13,430$14,100

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

HVAC Service in Timonium, MD: What to Expect

Timonium sits squarely in the Baltimore metro area, where summer heat pushes thermometers into the upper 80s with the kind of humidity that makes every degree feel heavier. Winters along the Chesapeake Bay drop into the 20s, and those biting cold stretches demand furnaces that run reliably for weeks on end. With 13 contractors serving the area and an average rating hovering around 4.4 stars, homeowners have decent options for HVAC Service in Timonium, though finding someone who can handle both the sticky coastal summers and the bitter valley winters requires knowing what to ask.

A service call or diagnostic runs $75-$200, a routine single-system tune-up typically costs $70-$200, and a standard repair averages $150-$1200 depending on what actually fails. In Maryland, every legitimate contractor must hold a Master HVACR License from the state Department of Labor, which at least weed out the fly-by-night operators. That licensing floor means most companies bidding for your business have cleared a basic competency bar, but what separates them is how they price the job once they're inside your basement or attic.

Customer reviews point to some clear differences among the better-regarded shops. Elmar Heating & Cooling earned five-star ratings from all 631 reviewers, with customers specifically naming technicians Brad, DaVic Mann, Will, Brian, Dennis, Adam, and David for diagnostic thoroughness and honest communication. SuperTech Services drew repeated mentions of same-day emergency response and knowledgeable technicians. Pipco Air Conditioning's review highlight credited Majid and Jorden for getting the job done quickly. The pattern across these higher-rated companies is straightforward communication about what's wrong, what it costs, and how soon they can fix it.

Frequently Asked Questions

HVAC service pricing in Timonium ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.