The premise behind “micro-groove” coil construction is to continue with the standard copper-tube and aluminum fin design we all are so familiar with, but do so with smaller internally enhanced tubes that have thinner walls. This reduces the amount of copper, as well as the cost, size and weight of the coils.
There’s a lot going on in the world right now and these events are affecting the price of fuel and the type of fuel we’ll be using in the days ahead. That’s going to have an impact on our businesses. Russian oil moves through Ukraine to Europe and this may change by the time you read this.
Friedrich’s ductless split systems line is ideal for rooms without exterior walls or windows, and comes in single- or multi-zone configurations while servicing up to four independent zones.
June 18, 2014
Contractors can choose from a selection of models in various capacities to suit their customers’ requirements with single-zone cooling, single-zone heat pumps for cooling and heating, and multi-zone heat pumps.
American Standard’s 4MXC8 cassette indoor ductless heating and air conditioning system’s versatile fuctions, high-efficiency design and quiet operation help to fulfill a home’s heating and cooling needs.
June 18, 2014
It offers efficiency up to 16 SEER, mounts in ceiling, features noise-reducing air vents and has a sleep function that automatically adjusts the temperature.
Shortly after the magazine came out, I received an email from a reader pointing out the obvious — that obtaining superheat and subcooling readings usually requires the use of both gauges and a thermometer. Yes, this is true. But perhaps I should have gone on to add the following.
The scientist in the TED video proposed a system where tracking heaters (think ray guns) would sense and follow people around a space, heating only them and not the air or objects around them. This made me smile because there is such technology already available.