Air Source Heat Pump Buying Guide - Save on Energy

How do air source heat pumps work?

Air source heat pumps are the most common heat pump choice for residential heating and cooling. Here’s how they work.

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A typical air source heat pump is made up of an outdoor unit connected to an indoor unit by a refrigerant line. In the winter, the outdoor unit draws in air, absorbs its heat and transfers it to a refrigerant fluid. A combination of temperature and pressure transforms this fluid into a gas. The gas then passes through a compressor to increase its temperature further, and the resulting heat is transferred into your home, either directly from the unit or through ductwork.

This process reverses in the summer. The heat pump absorbs heat from inside your home and transfers it to the outdoors, becoming a high-efficiency air conditioner and dehumidifier.

What’s involved in making the switch?

Installing a heat pump is more complex than simply replacing your existing furnace, boiler, baseboards, or other HVAC system. It may involve modifying ductwork and wiring, as well as finding space for an outdoor condensing unit.

If you live in an older home, you should install other energy-efficiency measures first to reduce your heating load. This could include new insulation, air sealing and more. By limiting heat loss from air leaks or thin insulation, you’ll get the most out of your heat pump and may even be able to opt for a smaller, more affordable unit.

Ducted or ductless?

A ducted heat pump works in a similar way to a central furnace. It’s connected to interior ductwork and controlled by a central thermostat. Warm or cool air travels through the ducts and into your home.

A ductless heat pump emits warm or cool air directly from an indoor unit mounted to the wall or floor. Depending on the size and layout of your home, you may need more than one indoor unit.

You might want to opt for a ductless heat pump if you:

• Live in a home with no existing ductwork.
• Want to have flexibility in heating and cooling in multiple areas of your home.
• Need supplemental heating and cooling in a particular area, such as a home addition.

Standalone or hybrid?

As the outside air temperature drops, the heat pump has to work harder, gradually reducing its efficiency and heating capacity. Some homeowners opt for hybrid systems, with a conventional furnace or boiler acting as a backup to a primary air source heat pump. Some choose to install cold climate air source heat pumps, which are specially designed to work in low outdoor temperatures.

The choice of whether to select a standalone or hybrid HVAC system will be dependent on several factors, such as climate, energy costs, heat loss and home type. A licensed HVAC contractor can help assess your home and identify the most energy-efficient and cost-effective solution for you.

Single stage, two stage or variable stage?

A single-stage heat pump is the most basic system available. It uses a simple on/off cycle that is triggered when the temperature dips below a set point. It tends to be the most costly type of heat pump to run, as the only setting is full speed.

A two-stage heat pump has two settings—high and low—allowing for slightly more precise temperature control.

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A variable-stage heat pump is the most advanced system available. It is able to monitor and adjust to a full range of speeds to maintain the desired indoor temperature. Since it only uses as much power as it needs, it is the most energy-efficient option.

How to find the right contractor

Replacing your home's HVAC system is a big undertaking. If you’ve decided a heat pump is the right choice for you, the next step is finding a qualified, licensed contractor. They can help you make the best purchasing decision for your home to meet your needs. In Ontario, HVAC contractors must be registered with the Technical Standards and Safety Authority.

Choosing a reliable heat pump factory is crucial, especially with the wide range of manufacturers in the market. As a pioneer in the heat pump industry, Exinda is committed to providing high-quality solutions for customers worldwide. Here are key factors to consider when selecting a heat pump manufacturer and why Exinda stands out.

1. Extensive Production Experience & Technical Expertise

A factory’s experience and technical capabilities play a vital role in ensuring product quality and innovation. Exinda has years of expertise in manufacturing air-source heat pumps, intelligent ventilation systems, and heating solutions. Our strong R&D team continuously improves product efficiency and adapts to evolving market demands, offering customized and energy-efficient solutions.

2. Flexible Customization Services (OEM & ODM)

Customization is essential for many businesses. Exinda provides both standardized heat pump solutions and tailored OEM/ODM services to meet specific customer needs. From product design to final production, we work closely with clients to deliver solutions that align with their unique requirements.

3. Advanced Manufacturing Equipment & Production Capacity

The level of modernization in a factory’s production line directly affects efficiency and product quality. Exinda is equipped with state-of-the-art manufacturing technology, ensuring high output capacity and strict quality control. Our production facility can handle large-volume orders while maintaining consistent, on-time delivery for global clients.

4. Industry Recognition & Trusted Client Partnerships

A manufacturer’s reputation and industry recognition are indicators of its reliability. Exinda has established long-term partnerships with globally recognized brands and has successfully delivered heat pump solutions for large-scale projects. Our customers trust us for our high standards, innovative technology, and excellent customer service.

5. Competitive Pricing & Cost-Effectiveness

Price is a key factor when choosing a supplier, but value for money is even more critical. Exinda offers competitive pricing by leveraging advanced manufacturing processes and continuous technological improvements. We also provide special incentives and flexible cooperation models for long-term partners.

Why Choose Exinda?

Selecting a heat pump manufacturer is about more than just finding a supplier—it’s about choosing a reliable partner. Exinda stands out with its experience, innovation, quality assurance, and customer-centric approach. Whether you’re a distributor or a corporate client, Exinda is your trusted choice for high-performance heat pump solutions.

About Exinda

Exinda was founded to provide energy-efficient heating, cooling, and hot water solutions that reduce reliance on traditional fuels. Our mission is to create high-performance heat pumps that ensure comfort and sustainability in diverse climates.

We appreciate our customers worldwide—both online and offline—and remain committed to delivering cutting-edge, eco-friendly heat pump solutions. If you’re interested in new energy heat pump technology, we invite you to visit our factory and experience Exinda’s innovation firsthand.

For more information, please visit Monobloc Heat Pump.