WIth over 30 years of experience, you can count on Coldmaster to be able to handle any type of residential and commercial HVAC system or commercial refrigeration system. Started in 1995 as a service business, our goal has always been to provide the most accurate, prompt and professional service possible. Business has evolved to include installation of all types of HVAC/R, sheet metal duct fabrication, and automatic temperature control systems. Our goal is to always provide what the customer needs at a reasonable price. Call us today to give us a try - we guarantee you will like us.

Professional Associations & Certifications

  • MD Master HVAC Lic#01-10220, DE Master Lic#0000396

Serviced Areas

  • Delmarva Peninsula, Annapolis and surrounding area

Payment Options

  • American Express, Cash Only, Credit Terms Available, Financing Available, MasterCard, Money Orders, PayPal, Personal Checks, VISA

Contact Details

  Person Joe Schoonover
  City Preston, MD
  Zip Code 21655
  Address 114 Chambers Street
  Phone Number (410) 673-8466
  Tollfree 855-673-7999
  Fax 410-673-8467

Business Representative

Joe Schoonover


Products & Services


We provide full and partial HVAC system replacement and use Carrier products, as well as brand new ground-up installations. You'll find us knowledgeable about split systems, reciprocating chillers of any size, screw chillers up to 200 tons and oil- and gas-fired boilers.

Operations and Maintenance

From an under counter fridge to a refrigerated warehouse to a 30-ton-per-day ice machine, we provide full-service maintenance on walk-in coolers. Our staff is equally knowledgeable in such areas as cooling scientific test chambers and in medical refrigeration.
HVAC roof tops, split systems, chillers, cooling towers, and more.

Systems Design and Project Management

We specialize in retrofitting older buildings with new heating and cooling systems. We'll also take on the installation of systems in new buildings from the ground up. We're certified as a Bryant service provider.

  • I would recommend this business
  • response time--same day, within hours of call
  • none observed

Excellent service and response time--same day
Reasonably priced service maintenance contract
Helpful, respectful, pleasant staff

Value for moneyReasonably priced service maintenance contract
Service & supportReasonably priced service maintenance contract
QualityHelpful, respectful, pleasant staff
LocationClose to home
Overall ratingExcellent

  • I would recommend this business

Excellent service. On time, friendly, excellent quality. Highly recommend them for home and business.

Value for money
Service & support
Overall ratingExcellent

  • I would recommend this business

I thoroughly enjoy working with ColdMaster. I find the staff to be very intelligent with a positive proactive attitude. Keep up the great work!

Value for money
Service & support
Overall ratingExcellent

Customer Testimonials

They were great, no issues. Fantastic VALUE

Fantastic responds and workmanship.

He was the third tech I called and he was the only one who knew what was wrong with my AC. He was able to come out the same day, explain to me what was wrong and while the part was being shipped he kept me updated. AC works great now.

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