(717) 543-3034

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24-Hour Service Available

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(717) 543-3034

Questions? We have answers

24-Hour Service Available

We're here when you need us


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Ask Us About Air Conditioning Repair Services in Liverpool, Selinsgrove, and Mifflintown, PA

MGM Mechanical, Inc. has been servicing and installing heating and cooling equipment in homes, small businesses, and churches since 2000. Our part-time business turned full-time in early 2017, all due to Michael Messimer and his team’s hard work, and more importantly, loyal customers.  We take great pride in knowing 80% of our install work comes from referrals from happy customers.

MGM is owned by Michael Messimer, of Liverpool, PA. Mike has been working in the HVAC field for 25 years, both in the commercial and residential setting, after graduating from York Technical Institute in 1995. MGM Mechanical is proud to be a member and affiliated with the Local 520 Union, which we joined in 2017.

We take extra precaution and care with safety in mind and being a top priority. Masks are booties are worn at all times by our technicians, and extra sanitary and caution is being enforced during COVID-19 regulations. 

How We Serve You

MGM Mechanical installs heat pumps, mini-split systems, gas furnaces, boilers, central air, chillers, VRF systems, rooftop units, and hot water heaters. The major brands we install include Bryant and Mitsubishi Electric. Additionally, we service just about any type of residential or commercial HVAC equipment.

When you call MGM Mechanical, you don’t speak to an answering service. You will speak directly to Mike, the owner, even if it’s 3am and you have an emergency. MGM provides services you want and need, based on your budget. Whatever your project, we have the tools, talent, and knowledge to deliver.

Our vision and goal is to provide quality service and installation within the customer’s budget. We will work to meet and exceed all of the customer’s expectations, and will not stop until the customer is satisfied.

Our Team

Our team has grown from one employee to ten full time installers and service techs. Mike, Jeremy, Joe, Meade, Richard, Jason, Ben, Andy, Dave, Dakota and Matt have time and time again been described by our customers as knowledgeable, hard working, conscientious, and professional.

  • Michael is the owner of MGM Mechanical, and has over 28 years of experience, in both the residential and commercial settings.
  • Jeremy has over 16 years experience in the HVAC field. He specializes in commercial service and commercial construction.
  • Ben has been in the field for 16 years. He specializes in commercial service.
  • Joe’s specialty is commercial service. He has been in the field for over 18 years.
  • Jason works in the commercial setting, in both service and installation. He has over 6 years experience.
  • Meade has been installing HVAC systems in customer’s homes for over 23 years.
  • Richard has been installing and servicing residential HVAC systems for over 6 years.
  • Andy has been in the field for over 27 years. He is a residential and light commercial service tech and installer.
  • Dave has been providing HVAC services for 16 years, in the residential and light commercial areas.
  • Dakota has been helping to install residential HVAC systems for almost 2 years. 
  • Matt has been helping to install residential HVAC systems for almost 1 year.

Specializing in Mitsubishi Mini-Split Systems

Our company specializes in Mitsubishi ductless Mini-Split systems.  We hang our hat on this brand due to efficiency and dependability.  With few breakdowns and a 12 year warranty, it is no wonder Mitsubishi is the leader in ductless systems.  Mitsubishi has also developed ducted heat pumps that are becoming a more efficient alternative to a standard Heat Pump system.

Serving Our Central PA Neighbors

Based in Mt Pleasant Mills, PA, we provide HVAC service & repairs throughout Central PA. Our service area includes Union County, Perry County, and surrounding areas: Duncannon, Selinsgrove, Sunbury, Lewisburg, Mifflinburg, Shamokin Dam, Middleburg, Elizabethville, and Beaver Springs.

Warranties & Rebates

As an Elite Diamond Contractor, we offer a 12-year parts warranty for all Mitsubishi systems.

We are a factory dealer for Bryant HVAC equipment as well. Bryant offers a 10-year parts warranty.

Don’t forget to ask us about rebates available throughout the year from Mitsubishi, Bryant, and PPL! 

"Mike's reliable, courteous, and respectful work ethic and treatment of our facility, the great quality of his work and products, as well as his complete understanding of our heating and cooling needs has left us well pleased and confident in his work..."
Jim Mento