Keep Your Home Comfortable Year-Round.

Serving Your Community For Over 15 Years!

618-694-7699
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Why Choose Us?

At John's Mechanical Services, we strive to set the highest standards in our industry. For instance, we thoroughly screen all employees ensuring they pass a background check and drug test before they join our team. We only employ technicians with the certifications and expertise necessary to do every install and service repair; and do it very well. With John's Mechanical Services, your complete comfort is our satisfaction, and your satisfaction is our guarantee!

Locally Owned & Operated
We are a local family-owned company right here in Marion that cares about our customers and the communities we serve. We stand behind all of our work with a 100% Money-Back Guarantee!

Superior Craftsmanship
All of our technicians are highly trained and experienced in air conditioning, heat pumps, furnaces, boilers, ductless systems and indoor air quality. We only use quality parts from the top manufacturers.

Fully Licensed & Insured
We are a team of professionals, fully licensed and insured for the safety of our customers and employees.

Affordable Pricing with No Surprise Fees
We keep our prices competitive to offer our customers the most value. We will not sell you anything that you don’t need. Remember, quality doesn't cost, it saves!
 
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Indoor Comfort Is Our Passion!

We are truly an HVAC Mechanical Contractor. We provide Heating, Ventilation, Air Conditioning services. We ALSO provide blown-in and closed-cell insulation services along with crawlspace encapsulation with dehumidity controls. We are a certified building analysis professional offering energy audits that qualify for federal tax credits under the IRA 25(c) programs. We install and maintain complete indoor air quality systems and can design zoning applications for your home.  Call us today to see how you can save money now and reap the benefits of the federal IRA 25(c) tax credits.
 
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Heating Services

We provide repair services, maintenance and installation of furnaces, boilers, heat pumps, ductless mini-split systems, and package units. We will match the best application to your need and budget. Are you building a new home? Allow us to provide a complete heating and cooling system for you. From a radiant floor/boiler design to a high efficiency heat pump system. Not only will we properly size your heating and cooling equipment, we are professionals at duct fabrication and installation--ensuring efficiency and quietness. We can also offer zoning and indoor air quality options for your complete comfort.
 
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Air Conditioning Services

Conditioning air is more than just cooling the air in your home. Technically, we don't "cool" anything, we remove the heat as well as the humidity. And to probably air condition your home, your unit must be sized properly. The temperature and relative humidity of the air, furniture, walls, flooring, etc., all play a part in your comfort. We'll be there for all your "cooling" needs and for a free assessment of your air conditioner. Does your unit cycle on and off more than you feel it should? Does it seem more humid in your home than you'd like? Allow us to ensure you have the right size unit for your home. Want to learn more? Give us a call.
 
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Comprehensive Energy Audit Services



Our building analysis professional will provide comprehensive building envelope reports as well as energy audits that are approved by the Department of Energy for federal tax credits under the IRA 25(c) programs. We provide blower door testing determining infiltration of unconditioned air. We can also assess your need for additional insulation in the attic as well as crawlspace encapsulation. We also provide dehumidification systems ensuring the crawlspace maintains a relatively constant temperature and remains dry, inhibiting mold growth. Call us today for an appointment to see if you qualify for the federal tax credits.
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Colder Temperatures Are On Their Way!

Is your heating system not working right? Whether you have a furnace, heat pump, boiler, or air handler with electric heat, we can solve your problem. Very rarely can you solve this over the phone, so have one of our trained technicians out to provide a thorough diagnostic of your heating system. We'll recommend the needed repair and/or service.

Problems arise from a lack of maintenance.

Do you have your furnace, heat pump, or boiler tuned up each year before winter arrives? For optimum efficiency, yearly maintenance is highly recommended. John's Mechanical Services performs the required steps to ensure your system will fire up on those cold winter days. 
 
  • Stop wasting money on high utility bills and unwanted service calls.
  • Enjoy the peace of mind that comes with a optimize heating system.
  • Increase the life of your indoor comfort system with yearly maintenance.  

If you’re experiencing any of the following, call us right away:
 
  • Inadequate heating
  • Cold spots within your home
  • System starts & stops before reaching the set temperature on your thermostat
  • Weak airflow from your registers
  • Unexpected increase in your utilities
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Is Your Furnace Or Boiler Ready To Retire?

EnergyStars recommends upgrading your furnace or boiler when it is more than 15 years old. Are you on propane? You may want to consider upgrading your heating system to a high efficiency heat pump. Many clients have cut their propane consumption by 75%! We offer both GE and Ducane furnaces and heat pumps, and Weil-McLain and Bradford White boilers. Call to see if you qualify for utility rebates and federal tax credits under the IRA 25(c) program. Give us a call!
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GE Furnaces

GE furnaces are the quietest furnaces we've installed. Their lifetime warranties on their heat exchangers provide you the peace of mind you deserve. Have a John's Mechanical Services expert ensure the right size furnace for you. The wrong BTU output will waste utility dollars, decrease the life of your furnace, and will not thoroughly heat your home.
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GE Heat Pumps

The GE NS Series and GE Connect Series heat pump provide superior heat output The GE Connect Series are rated down to -22 degrees providing full capacity down to 17 degrees. They Are The Heat Pumps That Really Heat! The versatility of today's heat pumps saves you money all year long. Ask how you can receive up to $700 in utility rebates and up to $2000 in federal tax credits with a GE Heat Pump!
For In-Home Estimate
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Bradford White Brute Boilers

Bradford White’s line of Brute® boilers will keep your home warm and comfortable all winter. Our Wall-Hung and Floor models are budget-friendly and high-efficient. Both models have hot water "combi-" options. 
For In-Home Estimate
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Weil-McLain Boilers

Weil-McLain® is a leading brand of hydronic comfort heating systems since 1881. They are Installed in homes and offices throughout North America, The Weil-McLain brand is among the most trusted in the building industry.
 
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May Be Hot Outside But Not In Your Home!

During the warmer months in and near Marion, you definitely want to make sure that your air conditioner is in top shape to keep you and your family cool. Unfortunately many systems tend to fail at the most inconvenient time such as the hottest day of the year or when you’re expecting company. At John's Mechanical Services , we are happy to assist with AC repair, installation, replacement, and tune-ups. You can count on our professional technicians to help with:
 
  • Lowering energy costs
  • Improving energy efficiency
  • Optimizing your system’s performance
  • Extending the life of your equipment

If you’re experiencing any of the following AC symptoms, be sure to reach out to us right away:
 
  • Inadequate cooling
  • Uneven cooling
  • Your system starts and stops without reason
  • Weak airflow from your unit
  • Unusual sounds, odors, or leakage
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Is It Time To Upgrade Your Cooling System?

EnergyStars states you may want to consider upgrading your cooling system when it is more than 10 years old.  Are you tired of wasting money on utilities? Upgrading your cooling system to a higher efficiency unit may be the answer. We offer both GE and Ducane air conditioners and heat pumps. Combined with a new furnace or air handler, you may be able to take advantage of utility rebates and Federal tax credits under the IRA 25(c) program. Give us a call!
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GE Air Conditioners

GE has been a leader in HVAC engineering for decades. Their new line of air conditioners provides you choices in efficiency and quietness you desire. Their sleek louver panels are sharp looking, and the powder coated finish will last for years without fading. Call us today to see which GE Air Conditioning System meets your needs and budget. 
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GE Heat Pumps

Whether you choose the GE NS Series or the GE Connect Series heat pump, they will provide exceptional cooling in the summer and warmth in the winter. GE offers single-stage and inverter style compressors options for ultra quiet performance and efficiency. The versatility of today's heat pumps saves you money all year long. Ask how you can receive up to $700 in utility rebates and up to $2000 in federal tax credits with a GE Heat Pump!
For In-Home Estimate
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Ducane Air Conditioner

Ducane continues to provide excellent budget-friendly heating and cooling products. All models come with a 10-year parts warranty. Their louvered panels have a clean look and protect your condenser coil from hail damage. See if a Ducane air conditioner is right for you.
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Ducane Lynx Heat Pump

The Ducane Lynx Inverter driven heat pump won the 2022 Dealer Design Awards: HVAC High-Efficiency Residential Equipment. The best of both worlds: efficiency and budget-friendly. There are many system matches that qualify for the $700 utility rebate and the $2000 federal IRA 25(c) tax credit.
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Ductless Services

Ductless or mini-split heat pump systems can be a great option for people who want to regulate the temperature inside their home or business without having to install ductwork with a soffit enclosure or in an attic. A ductless heat pump system has three primary components: an indoor unit that can be hung on a wall, centered on a ceiling, or even up against wall along the floor; an outdoor heat pump unit, and a remote control. These units are very efficient due to inverter technology combined with a super quiet blower within the indoor unit.

You can count on us at John's Mechanical Services to install, repair, or tune up your ductless mini-split  system. Many people choose ductless for:
 
  • Three-season rooms
  • Garages
  • Home additions
  • Older buildings unable to accommodate ductwork
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Air Quality Services

You have millions of microscopic allergens in the air you breathe inside your home. Allergens, dust, and pet dander can contribute to headaches, stuffy noses, allergies, itchy & watery eyes, and other discomforts. John's Mechanical Services offers multiple options to help address this and improve your indoor air quality.

Even if asthma or allergies are not an issue, air quality appliances can help kill viruses, bacteria, and contribute to a cleaner, fresher climate. We offer the following air quality products depending on how big your home is, the type of HVAC system you have, and where you need to improve indoor air quality:
 
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Schedule an Appointment or Request A Quote

Contact us today for a free estimate or to request service.

(618)694-7699
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