At Mechanical Climate Solutions, we understand and appreciate our impact on the environment. Our goal of providing our customers with efficient climate control is matched by our goal of minimizing our impact on the Earth. To help our customers save energy and money, we have partnered with Ameren UE to offer both energy-efficient and money-saving solutions. From installing a geothermal heat pump (up to a $2000 rebate) to replacing an air conditioner (up to a $500 rebate) to a simple tune-up (up to a $75 rebate), MCS has you covered.

Mechanical Climate Solutions BBB Business Review

MCS maintains an A+ rating with the Better Business Bureau. We are extremely pleased with this designation. At MCS, we pride ourselves on our hard work, our ability to complete each job on time and on budget, and our dedication to outstanding customer service. We strive to understand exactly what our customers want, and we try our best to deliver. We understand that a successful business is built on honesty, hard work, and friendship. No matter the size of the job, our dedicated team of technicians takes pride in getting it done right.

Mechanical Climate Solutions is proud to be a member of Gateway Air Conditioning Contractors. Gateway’s mission, “To be the recognized leader in the HVAC industry providing continuing education, information, networking and advocacy, while upholding the highest level of professionalism.”, mirrors our own commitment to the HVAC industry. Gateway’s Licensing and PEU expertise, along with their continuing education and apprenticeship programs, allows the MCS Team to maintain the highest levels of knowledge and proficiency.

Why Choose Us?

  • Experience

    Our team of highly trained technicians has over 100 years of combined experience in all facets of HVAC maintenance, repair, and replacement.

  • Fully Insured

    We are fully insured to provide you peace of mind and added protection for your home.

  • Trusted

    Many of our residential and commercial clients are repeat customers. Building your trust is our number one goal.

What We Do

Mechanical Climate Solutions specializes in residential, commercial, and industrial HVAC projects. We offer 24 hour service and offer plans designed to extend the life of your equipment and reduce operating costs. We ASSESS each project’s requirement by working closely with every client to determine their specific needs. We DESIGN the best solution for each project taking care to consider budget, time, and environmental impact. We DELIVER the solution and meet or exceed our customers’ expectation. We always keep our commitments and let our company values be our guide at all times. Call MCS today to discuss your HVAC needs. 314-825-2451

HVAC Services:

Air Conditioning





Maintenance Programs

VRF Systems

Air Purification

Building Controls

Exhaust Systems

Much More …

Premium Partners in Home Comfort

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Bob and his team were awesome to work with. Our new air conditioner is super quiet, and we love how we can control it from our phones and tablet. They were on time, on budget, and very professional. I would recommend them to all of our friends and family.

Mike & Carey B. - Imperial, MO

I have used Mechanical Climate Solutions for our yearly maintenance for our business and they are truly great! Awesome customer service, attentive to what’s happening with our heating/cooling and their prices are great as well! I highly recommend them whether you are looking for commercial or residential HVAC needs!

Lauren CaronOwner - Resurrection Fitness

We have been very happy with Mechanical Climate Solutions from the first time they came to our home.  We had a very complicated problem that involved our boiler system and new construction. Bob came up with the answer right away and it works beautifully. They are our go-to company for HVAC needs.

Mike and Liz Gibbons

Mechanical Climate Solutions is one of the best companies we have used over the years. They are extremely knowledgeable, very fair, and exceptionally professional. They are the company we call now for all of our commercial and residential HVAC needs. After using them once, I am sure they will become your preferred company.

Ed MagalettaAmerican Image Salon and Magaletta Real Estate Investment & Development LLC

It was great to have Bob and an employee working on our heating at Samuel Church. Bob gave a competitive bid and followed through until everything was done to our satisfaction. It was a pleasure to work with them and trust that what they say will get done.

Keith KarauSamuel Church

We have been working with MCS for a few years now and have been extremely satisfied. They are extremely responsive, high quality work and very reasonable price no matter the scope of work. We have used them personally and referred them to  tons of clients, friends and family. MCS is the best!

Drew and CrystalThe McGrath Team - Coldwell Banker Gundaker

Bob and his crew at Mechanical Climate Solutions do amazing work.  They have been helping my family and I live comfortably for over 5 years.  We trust them for both our primary residence as well as our rental property and have never been let down. Last summer when it was time to bite the bullet and replace our entire ac/furnace unit,  MCS helped us through choosing the perfect unit and we have seen amazing results in not only our comfort but also the lower utility bills!  I always trust that I will get an honest answer from Bob which is really important to me when we are talking about expensive home repairs.  They know their products and are willing and able to answer any questions you may have.  I would absolutely recommend MCS to anyone and everyone for their heating and cooling needs.

Tracy Happe


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