COVID-19 - 4 Low-Cost HVAC Steps to Mitigate Coronavirus in Your Building


General Measures for Cleaner Indoor Air

HVAC Standards Bodies Weigh In Guidelines are ever changing, but both ASHRAE (the standard setting body in the US for heating, AC and refrigeration) and REHVA (the European equivalent) have been coming out with some warnings and recommendations. ASHRAE’s Environmental Health Committee says we need to take the threat of virus spreading through the HVAC [...]

By | June 2nd, 2020|HVAC, Refrigeration, Safety, Technology|Comments Off on General Measures for Cleaner Indoor Air

Beverage Temperature Matters – How Glycol Systems Chill

According to the Institute of Medicine (US) Committee on Military Nutrition Research, "The available data clearly show that temperature can be an important variable in flavor perception...". The bottom line seems to be that " temperature rises, perceptions of sweetness and bitterness tend to intensify, and perceptions of sourness and saltiness tend to remain the same..."  The [...]

Save $ on the Biggest use of Power in your Building

What's Your Plan? 44% of a commercial building’s energy consumption is attributed to its HVAC systems. It is important to properly maintain these assets to reduce energy use and reduce total cost of ownership. Maintenance Approaches Currently Implemented in Commercial Buildings (2000 US DOE Study) 55% - Reactive Maintenance Most people do almost nothing... Little if any maintenance is done (usually filter [...]

Proper Walk-in Organization is Key to Reducing Food Waste

  Our technicians (and health inspectors) have seen a lot of this lately: food at incorrect temperatures in a perfectly good walk-in refrigerator or freezer. Why? Because the food containers are either too close together or are stacked too high and are blocking the air circulation fans. The keys to circulation: Don’t over-stuff the refrigerator. Cold [...]

I Think I Found the Problem …

A customer complained that their reach in cooler was running too cold and freezing the food. It also didn't respond to adjustment. It wasn't a tricky problem to diagnose. Bad Thermostat New Thermostat installed in reach in cooler.

By | August 5th, 2014|Reach In Coolers, Refrigeration|0 Comments

The Phase-Out of R-22. Here we go again…

In 1987 most of the world (190 countries) ratified the Montreal Protocol to reduce the use of ozone depleting refrigerants, not only in air-conditioning and refrigeration, but also in aerosol spray cans (like hair spray and spray paint).  At that time, the most commonly used refrigerant was R-12 a chlorofluorocarbon (CFC).  CFC's were the most aggressive [...]

By | January 12th, 2014|HVAC, Refrigerants, Refrigeration|0 Comments

Smartly Designed Planned Maintenance Plans Save Money

All buildings are different, so it makes sense to design a maintenance plan that is tailored to each building.  For instance a restaurant might have 4 condensing units on the roof, but two of them are near the outlets of the kitchen ventilation system.  Those condenser coils will need cleaning more often than two that [...]

By | October 15th, 2013|HVAC, Planned Maintenance, Refrigeration|0 Comments

Using advanced Software to Track Planned Maintenance

Some of our larger customers, restaurant chains with a regional or national footprint, are starting to see the benefits of a comprehensive planned maintenance plan.  They are specifying a comprehensive menu of services for the HVAC and refrigeration machines at their locations.  For some of our customers we have a list of 40 or more [...]

By | October 15th, 2013|Business, Equipment Repairs, HVAC, Planned Maintenance, Refrigeration|1 Comment

Helping a New Restaurant Pass Health Inspection

Patrick and I went on a service call today to fix a few things at a Raleigh NC pizza restaurant that is getting ready to open in a location previously occupied by another restaurant.  Because it's a new restaurant they have to bring everything up to code even though the old restaurant was able to [...]

By | September 25th, 2013|Equipment Repairs, Refrigeration, Walk-In Coolers|0 Comments

All Planned Maintenance Plans are not Created Equal

If you are leasing your space, your lease likely requires that you contract with a company to provide planned maintenance on the heating and cooling system.  Most leases require two or four visits a year. If you shop for the cheapest price, you are going to get the bare minimum of service.  Maybe they will [...]

By | September 1st, 2013|HVAC, Planned Maintenance, Refrigeration|0 Comments