At M&M Heating and Cooling, we take pride in being Toledo’s choice for heating service. We deliver top-notch heating services tailored to meet your unique needs. Whether you’re in need of a new furnace installation, furnace repairs, or comprehensive maintenance, our skilled technicians are here to ensure your home remains a retreat of warmth and comfort.

Our Comprehensive Heating Services

Furnace Installation

Upgrade your furnace or ductless system with our professional installation team. We specialize in designing and installing heating and cooling systems that provide optimal comfort and energy efficiency for your home. Our experts conduct thorough assessments to recommend the most suitable system for your space.

Furnace Repairs and Maintenance

Is your furnace acting up? Trust our experienced technicians to diagnose and repair issues promptly. Our maintenance services not only fix existing problems but also prevent future issues, ensuring your furnace operates at peak efficiency. Count on us for reliable and cost-effective solutions.

Emergency Heating Services

We understand that heating emergencies can happen at any time. That’s why we offer 24/7 emergency heating services to provide immediate relief when you need it most. Toledo’s winters are unpredictable, and your comfort is our priority. We’re just a phone call away!

Hot Water Heater Service and Installation

There is no good time for your hot water heater to stop working. Our expert team of service technicians and installers are here to ensure you always have hot water when you need it. From tanks to tankless, we offer a wide range of high-quality options to suit your needs.

Whole Home Humidity

Experience the benefits of whole-home humidity control with our Aprilaire Humidifiers. Say goodbye to dry skin, irritated sinuses, and static electricity with properly balanced indoor humidity levels.

Keep your humidifier in top condition with our thorough maintenance services or trust our experienced technicians to install a high-quality humidifier seamlessly into your HVAC system.

Routine Maintenance for Longevity

Keep your heating system running smoothly with our comprehensive Preferred Service Plan! Regular check-ups ensure your system’s longevity and prevent unexpected breakdowns.

Winter Ready Toledo? Upgrade Your Comfort with Our Furnace and Heating Services!

Is your home ready to face the winter chill? At M&M Heating and Cooling, we’ve got the perfect solution to keep you warm and toasty. Say goodbye to shivers and hello to unmatched comfort with our advanced furnace and heating systems.

Contact Us Today!

Contact M&M Heating and Cooling today, Toledo’s Choice for heating and furnace solutions. Don’t let the cold disrupt your comfort and peace of mind!

Experience Unrivaled Comfort with Our Trusted Brands!

M&M Heating and Cooling proudly offers a premium selection of industry-leading brands to ensure that you experience superior comfort and energy efficiency! We pride ourselves on offering not just products but solutions that enhance your lifestyle.

Trane - Unmatched Reliability and Innovation

We trust in the legacy of Trane's premier heating and cooling solutions. With a history of innovation and cutting-edge technology, Trane ensures that your home or business stays comfortable year-round, backed by a legacy of quality and performance.

Mitsubishi Electric Ductless - Unmatched Comfort, Effortless Control

Elevate Your Comfort, Elevate Your Space with Mitsubishi’s innovative ductless heating and cooling systems. Say hello advanced technology that ensures optimal comfort without compromising energy efficiency. Enjoy Precise Temperature Control, Energy Savings, and Whisper-Quiet Operation, and sleek design.

M&M Private Label – Where Quality Meets Affordability

M&M Heating and Cooling stands by its reputation for quality. Our budget-friendly HVAC line is crafted with the same commitment to excellence that has made us a trusted name in the industry. Enjoy the luxury of comfort without compromising your bank account. It's a win-win for your wallet and well-being.

Bradford White - Unrivaled Water Heating Excellence

Bradford White sets the standard for reliable and efficient water heaters. With a focus on quality craftsmanship and innovative technology, Bradford White ensures that your water heating needs are met with precision, durability, and unmatched performance.

Navien - Endless Hot Water at Your Fingertips

Navien brings revolutionary tankless water heating technology and boiler systems to your home.

Aprilaire - Breathe Fresh, Live Better

Aprilaire is synonymous with indoor air quality excellence. Take control of your home's air with Aprilaire's air purifiers, humidifiers, and ventilation solutions. Breathe easy, knowing that you are surrounded by clean, healthy air every day.

Waterfurnace - Harness the Power of Earth

Go green with Waterfurnace's geothermal solutions. Tap into the Earth's renewable energy for heating and cooling, providing sustainable comfort while reducing your carbon footprint. Waterfurnace is your pathway to eco-friendly and cost-effective HVAC solutions.

Contact Us Today!

Toledo, are you ready to experience unmatched service? Contact M&M Heating and Cooling today for all your heating and furnace needs. Our friendly team is ready to assist you and ensure your home or business stays comfortable year-round.

Don’t compromise on comfort—choose M&M Heating and Cooling, You’ll Feel Comfortable You Did!

How Your Furnace Works

A home furnace is a crucial component of a heating, ventilation, and air conditioning (HVAC) system. It works by generating heat and distributing it throughout the home to maintain a comfortable indoor temperature. Here’s a basic overview of how a typical home furnace operates:

Thermostat Control

The heating process begins when the thermostat detects that the indoor temperature has dropped below the set temperature.

Ignition or Pilot Light

In modern furnaces, the ignition system or pilot light ignites the fuel. Older furnaces may have a standing pilot light, while newer ones use electronic ignition.

Fuel Combustion

The furnace burns a fuel source to produce heat. Common fuel sources include natural gas, propane, or oil. The combustion process occurs in the furnace’s combustion chamber.

Heat Exchanger

The heat exchanger is a crucial component that absorbs heat generated during combustion. It prevents combustion byproducts, such as carbon monoxide, from entering the air that circulates through the home.

Air Circulation

A blower fan forces air over the heat exchanger, absorbing the warmth. This heated air is then distributed through the ductwork and into various rooms of the house.

Air Filter

The furnace typically has an air filter that traps dust, debris, and other particles. Regularly changing or cleaning the filter is essential to maintain the efficiency of the system.

Temperature Regulation

The thermostat continually monitors the indoor temperature. Once the desired temperature is reached, the thermostat signals the furnace to stop producing heat.

Cycle Repeats

The furnace will cycle on and off as needed to maintain the set temperature. This cycle continues as long as the thermostat signals that the indoor temperature requires adjustment.

Safety Features

Modern furnaces are equipped with safety features such as limit switches and sensors to ensure safe operation. If an issue is detected, the furnace may shut down to prevent potential hazards.

It’s important to note that there are various types of furnaces, including forced-air furnaces, which use ducts to distribute heat, and radiant heating systems, which use pipes or electric coils to heat specific areas. The specific details of a furnace’s operation can vary depending on its type and the fuel source it uses. Regular maintenance and professional inspections are crucial to ensuring the safe and efficient operation of a home furnace.

How Your Ductless Heating System Works

A ductless heating system, also known as a ductless mini-split system, operates differently from traditional forced-air heating systems that rely on ductwork. Here’s a breakdown of how a ductless heating system works:

Indoor Units (Air Handlers)

A ductless heating system consists of one or more indoor units (air handlers) that are typically mounted on the wall or ceiling in different rooms or zones of the house.

Each indoor unit contains a coil and a fan.

Outdoor Unit (Condenser)

An outdoor unit, or condenser, is installed outside the home. It contains a compressor, a condenser coil, and a fan.

Refrigerant Circulation

The system uses a refrigerant (commonly R-410A) to transfer heat between the indoor and outdoor units.

In heating mode, the refrigerant extracts heat from the outdoor air and carries it inside.

Heating Mode

During the heating mode, the outdoor unit’s compressor pressurizes and heats the refrigerant.

The heated refrigerant flows to the indoor unit, where the fan blows air over the coil containing the hot refrigerant.

The warm air is then distributed into the room, providing heating.

Individual Zone Control

One of the significant advantages of ductless systems is the ability to control each indoor unit independently. Each unit has its thermostat, allowing occupants to customize the temperature in individual rooms or zones.

No Ducts Required

Unlike traditional forced-air systems, ductless systems don’t rely on ductwork to distribute air. This makes them ideal for homes without existing ducts or for room additions.


Ductless systems are known for their energy efficiency. They don’t suffer from the energy losses associated with ductwork, as is common in central forced-air systems.

Quiet Operation

Ductless systems are generally quieter than traditional HVAC systems because the noisy compressor is located outside the home.

Reversing Valve

Ductless systems often include a reversing valve, allowing them to operate in both heating and cooling modes. In cooling mode, the system extracts heat from indoors and releases it outside.

Overall, ductless heating systems offer flexibility, energy efficiency, and personalized comfort. They are particularly well-suited for homes where the installation of ductwork is impractical or cost-prohibitive.