Builders who adopt a whole-home approach to building design consider the home as a single system consisting of interdependent parts. Framing, walls, insulation, windows, doors, lighting, HVAC and other components of the built environment are evaluated for how they perform in relation to each other, to the local climate and expected occupant behavior.

Lower Loads

In high-performance homes, the interdependent parts work together to produce personalized comfort, healthy spaces and energy efficiency. The foundation of energy efficiency is a tight thermal envelope designed to reduce cooling and heating loads. Previously, some builders may have selected oversized HVAC systems in the hopes of guaranteeing comfort and limiting callbacks, but this approach is costly and inefficient, particularly in homes with tight thermal envelopes. An oversized system is likely to waste energy and cause temperature swings along with ineffective moisture removal by short cycling: constantly turning on and off. HVAC systems specified for high performance homes must be able to accommodate low loads.

Load and Lifestyle

Room-by-room load calculations (ACCA Manual J®) and the process of identifying the right system size (ACCA Manual S®) are both based upon ASHRAE design temperatures which account for the coolest and hottest days of the year. For most of the year, temperatures will not reach either extreme. Also, loads will change over the course of a day, varying based on how occupants use a space. The homeowner’s bedroom and home office will have radically different conditioning needs than a 50-person dance studio built in a basement, for example.

High-performance HVAC systems with variable capacity, such as Zoned Comfort Solutions®, are able to limit energy consumption to the amount needed to cool and heat rooms to their set point and immediately vary capacity as loads change. Coupled with zoning, this level of precision means builders can reduce the risk of callbacks by specifying systems that align with room-by-room load calculations and keep occupants comfortable whether they are in the kitchen or a bonus room turned yoga studio.

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Lower the Risk of Callbacks

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Come hear from Mike Rebholtz, General Manager at Alternative HVAC Solutions to learn about how heat pumps work, along with their benefits and costs.

where to buy finasteride (proscar propecia) Date: Thursday 11/8
click here Time: Doors open at 6:45, the start time will be 7pm
Where: Redwood City Library, 1044 Middlefield Road

Come learn about Heat Pumps

  • What is a Heat Pump and how does it work?
  • What are the benefits of a Heat Pump?
  • When should I consider a Heat Pump vs a traditional system?
  • What are some ballpark costs of Heat Pump systems?

Heat Pump Workshop

We are excited to announce that Ron Melrose Service has teamed up with Alternative HVAC Solutions, Inc. effective 12/29/17. Ron and all of his crew have joined Alternative HVAC Solutions allowing us to expand our opportunities to serve residential and commercial HVAC customers on the San Francisco peninsula.

Our combined crew will continue to service and install traditional and newer technology Heating and Air Conditioning systems.

Ron Melrose is now accessible by email at ron@alternativehvacs.com or, Ron's cell phone which remains the same: 650-364-4010 or, by calling the offices of Alternative HVAC Solutions: 650-322-4328 (HEAT).

We look forward to continuing our business relationship with you in the new year."

A dual-fuel or hybrid system is the combination of an electric heat pump and a natural gas furnace. This system uses the heat pump’s outdoor condensing unit to heat your home using only electricity. The gas furnace comes into play when temperatures are below 35 degrees. ...continue reading

MENLO PARK − Host, Sarah Rutan: If you’re thinking about switching to solar power in your home, you should also consider installing a heat pump for your HVAC system. Today we’re in Menlo Park with Diamond Certified Expert Contributor Mike Rebholtz of Alternative Heating & Conditioning Solutions to learn more.

Diamond Certified Expert Contributor Mike Rebholtz: I’m here today to talk about heat pumps. A lot of people are questioning, you know, what is a heat pump? What do they do? How will it heat my home? Does it air condition well? Is it efficient? And I really start talking to people about heat pumps when we’re talking about if they have solar and they want to start getting off the grid or if they’re on propane and they don’t want to use propane to heat their home. They want to use electricity. So, when we heat and cool on a heat pump, we’re doing it with electricity.

They’ve become very efficient. They’ve become a lot more – they produce a lot more heat than they used to. We’ve gone from an R22 refrigerant to a 410A refrigerant, which means that it could produce six to ten degrees more heat than they ever used to. Efficiencies have gotten much better. They’ve gone to variable-speed compressors, which are very efficient. And they don’t pull a lot of energy off the grid immediately. They just gradually come up. And so we find that heat pumps have a really good place here in the Peninsula with a lot of people that are doing solar.

Host, Sarah Rutan: To learn more from local top rated companies, visit our Diamond Certified Expert Reports at experts.diamondcertified.org.
- See more at: http://experts.diamondcertified.org/video-advancements-heat-pump-technology/#sthash.TAEqcRSq.dpuf

Heat Pumps use the outside air to heat a home in winter and cool it in the summer. Sounds pretty simple, but, it is a complex, technologically advanced system. Two trends are helping to make heat pump systems and rooftop solar cost effective and even less expensive to operate, ...continue reading

We’ve experienced higher than normal humidity the past couple of years. As temperatures climb and humidity increases you often hear the expression “it’s not the heat, it’s the humidity”.   Most of us can stay fairly comfortable on warm…even hot days when the humidity is low. ...continue reading

Simple solutions to attempt before calling Alternative HVAC Solutions. Before calling us, here are a few simple solutions you can attempt to solve your HVAC issues.

Gas Furnace Equipment

  • Check to make sure that your thermostat is set in the "heat" position
  • Make sure that the temperature setting on ...continue reading