Mechanical systems

Mechanical systems and plumbing are at the heart of a home's operation. We cover heating and air conditioning, ventilation, electrical systems, efficient water management and renewable energy production Q & A's. Informed decisions on design and product selection can affect comfort, efficiency, durability, operational cost and above all, health for occupants.

Where can I buy a Hydraloop grey water recovery system?

Posted by Sheila Garvagh Nov. 12, 2025 Greywater Heat Recovery 1 response

What is best type of home ventilation system for Florida?

Posted by Alan McIlwain July 15, 2025 HRV and ERV 1 response

Are there any companies that make saltwater home batteries?

Posted by Louis Vanhoudt July 15, 2025 Renewable energy 1 response

What companies sell saltwater batteries?

Posted by Lorraine Davis July 9, 2025 Renewable energy 1 response

How do you find a Certified Gas Engineer in the UK?

Posted by Sparta Heating and Care June 12, 2025 Mechanical systems 1 response

Which HRV system is best for commercial medical building?

Posted by Erik Baardsen June 4, 2025 HRV and ERV 1 response

How do you determine the correct sizing of an HRV?

Posted by Matt Russell April 14, 2025 HRV and ERV 1 response

About

Mechanical systems

Welcome to our community forum on Mechanical Systems! This is the place to discuss the "engine room" of your home: all the equipment that keeps it warm in the winter, cool in the summer, and supplied with fresh air, hot water, and electricity. Making the right choices here is critical for energy efficiency, comfort, and long-term running costs.

Whether you're planning a new build, renovating an existing home, or just trying to understand your current systems better, your questions and experiences are welcome. Connect with homeowners, builders, and experts from the USA, Canada, the UK, Australia, and New Zealand to share knowledge on the latest green technologies.

Choosing a Heating and Cooling System: Heat Pumps, Furnaces, or Geothermal?

Are you weighing the options for your home's heating and cooling system and looking for real-world feedback? What have been your experiences with the performance of air source heat pumps in your climate, or what was the process like for installing a geothermal system? Let's discuss the pros and cons, installation costs, and operating efficiency of different HVAC technologies to help everyone make an informed choice. We also have Canada's and the USA's most comprehensive high performance and sustainable prefabricated and modular homes directory available here, searchable by Province or State, as well as the largest online directory of green construction contractors and the best and most experienced Architects that are skilled in designing sustainable homes to LEED and Passive House standards here on EcoHome

Questions About HRVs, ERVs, and Home Ventilation Strategies

Do you have questions about the importance of mechanical ventilation or how to choose between a Heat Recovery Ventilator (HRV) and an Energy Recovery Ventilator (ERV) for your home? Are you wondering about ducting strategies, maintenance requirements, or how to properly balance your system? This is the forum to ask technical questions and share tips on ensuring excellent indoor air quality in an airtight, energy-efficient home.

Experiences with Solar Panels, Heat Pump Water Heaters, and Other Eco-Tech

Have you invested in renewable energy or other green technologies for your home, such as solar PV panels, a heat pump water heater, or a drain water heat recovery unit? What has your experience been with installation, performance, and the impact on your utility bills? Your stories and insights can help others understand the practical benefits and considerations of adopting these sustainable mechanical systems.

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