Do you find that your halogen bulbs are constantly burning out before reaching their advertised service life? If so, check the voltage rating. Most bulbs sold in North American retail stores are rated at 120 Volts… but they do not seem to last very long. We have found that bulbs rated for 130 Volts can […]
Category Archives: Posts
Building Envelope Assessment
Cooler weather creates a temperature difference between the inside and outside of a building that provides amazing results for thermal imaging. The fall and winter months provide ideal conditions for building envelope inspections. Following NMS and ASTM protocols, Sigma can assess or troubleshoot your new or existing building performance… from energy evaluation to quality assessment […]
It’s Time to Check Your Roof
The season has arrived for checking out your flat roof. Optimal conditions for effective thermography are available now and throughout the summer months, but it’s important to perform the inspection during the right time, so it’s recommended to book early… to ensure suitable weather conditions, and to allow enough time to perform any repairs before winter. Contact […]
JHI is now Sigma Inspection Services
As a result of restructuring our company to better reflect our expanded services, Johnston Home Inspection will be operating as Sigma Inspection Services effective January 1, 2012. Johnston Home Inspection has provided thorough inspection service in Guelph, Kitchener-Waterloo and the surrounding area since 2003. Over that time we were continually upgrading our qualifications, equipment and philosophies in order to […]
Sigma now certified for New Construction Inspections
Purchased a new home in Ontario? … we are now certified for Tarion Warranty and PDI inspections. The New Construction Inspection Training Program (NCITP), a national initiative of the Canadian Association of Home & Property Inspectors (CAHPI, was launched earlier this year to improve inspection and reporting methods and reduce the growing number of consumer […]
Sigma offers higher resolution
Sigma Thermography has purchased a new FLIR T 640 thermal camera which offers the highest resolution available at 640 x 480 pixels. Resolution is critical for many applications, such as electrical scans and critical temperature measurements. This imager is capable of accurately measuring temperatures from -40 to 2000 degrees Celsius and can also record real time thermal video. [video_left][video_frame] […]
Darren & Mike Holmes on CBC’s Marketplace
Watch the episode of CBC’s Marketplace where Darren Johnston inspects a former marijuana grow house with Mike Holmes. We found some pretty obvious tell-tale signs and damage from the grow op that weren’t identified during five other home inspections.
Darren Johnston is Mike Holmes’ 1st choice for home inspector
Darren was honoured to have been selected as Mike Holmes’ first choice of home inspector when Mike started his company. They have been working together for the past year, developing policies and procedures for the business and strategizing on how to improve inspection services. [testimonial_wrap] [testimonial]“Mike Holmes said he is launching the business in Waterloo […]