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Articles you can use to do your own research. Encyclopedic, helpful and handy. You will find everything from our code of ethics to companies we have personally done business with and who we recommend.

Glossary Links

Home Buying Institute (HBI): Trusted Advice for Buyers

The Home Buying Institute (HBI) has been educating buyers in the U.S. for more than 15 years. It’s a mission we take seriously.

Frequently Viewed Articles

Home Improvement Costs › costs

The following costs are intended as ballpark estimates for repairs and/or improvements to a typical three-bedroom home. Our experience has shown that actual …

Home Improvement Costs – Carson Dunlop › pdf › LifeCycles…

The following costs are intended as ballpark estimates for repairs and/or improvements to a typical three-bedroom home. Our experience has shown that actual …

Life Cycles and Costs – Honest Home Inspection › 2021/06 › Life…

HOME IMPROVEMENT PROJECTS. According to Remodeling Magazine, here are some national average costs for common remodeling projects in the U.S. in 2014.

Priority Maintenance for Home Buyers

There are so many home maintenance and repair items that are important, it can be confusing trying to establish which are the most critical. Try …. › costs

Undertaking a Home Repair

This report will deal with the simpler topic of home repair – basically replacing things that are worn out or fixing things that are broken. › costs

The following costs are intended as ballpark estimates for repairs and/or improvements to a typical three-bedroom home. Our experience has shown that actual …

Home Reference Library – Canadian Home Inspection Services

When Things Go Wrong

Our mantra to homeowners about what happens after they move in to their new house.

Inspection, Education, Knowledge. › 2020/09 › Ins… 441 Jane Street, Toronto, ON September 1, 2020 KNOW YOUR HOME. Report No. 2725

Pre-Inspected Listings

Pre-Inspected Listings, The Future of Real Estate › preinspect

Home inspections have traditionally been for the benefit of the purchaser. Pre-inspected listings benefit all parties – purchasers, vendors and Realtors. Deals …

Your New Home

It makes sense for you to learn about the qualities of your investment before putting your money on the line.

Ontario Association of Home Inspectors › english › realtors › about-…

Jun 29, 2022 — The Ontario Association of Home Inspectors (OAHI) is the oldest and most respected Home Inspection Association in Ontario. Learn More · Apply …

Home Maintenance & Improvement

Priority Maintenance for New Home Owners › priority-maintenance-for-n…

Priority Maintenance for New Home Owners, One-Time Tasks · Install new smoke detectors if they’re 5+ yrs old or yellowing. · Install carbon monoxide detector(s), …

Life Cycles and Costs – Honest Home Inspection › 2021/06 › Life…

HOME IMPROVEMENT PROJECTS. According to Remodeling Magazine, here are some national average costs for common remodeling projects in the U.S. in 2014 …

Inspect Before You Renovate | Carson Dunlop Home Inspection › inspection › blog › in…

Jun 1, 2014 — This blog will explain on how important is the inspection before renovation.

Home care: a guide to repair and maintenance › NH15-32-2003-eng

Home Care. A Guide to Repair and Maintenance. CMHC offers a wide range of housing-related information. For details, call 1-800-668-2642 or visit our…

Technical – Structures

Serious structural problems in houses are not very common, but when they occur, they are never cheap to fix. Some can’t be fixed at all. This report won’t turn you into a home inspector, but it will give you some of the common indicators.

Structures – Ontario Association of Home Inspectors › home-buyers › technical-articles

Many houses, as a result of problems in one or more categories, sustain damage to such structural components as foundation walls, floor joists, rafters, …

Truss Uplift | Carson Dunlop Home Inspection › inspection › blog › tr…

Apr 8, 2014 — Truss uplift has nothing to do with plastic surgery or under- garments. It is a phenomenon common in homes built with roof trusses as …

Grow Op Property Check – London Police Service › services › Grow-Op-Pro…

You can find out if a house you want to buy has been used to grow cannabis or has been a drug lab by requesting a check of our records on the address.

Buying a Home Advice – Signs of a Marijuana Grow House › … › Buying a home

Marijuana grow houses: what are the signs? Most home buyers tend to focus on what they can see: bright, open spaces, attractive finishes and a nicely …

Technical – Insulation and Ventilation

5 Things You Need to Know About Vermiculite › … › Rooms › Attic

Jun 17, 2019 — Vermiculite is a mineral that was used for insulation. If your home was built before 1990, you might have vermiculite insulation in your …

How to stop condensation in your home | AXA UK › … › Home maintenance

When it comes to understanding how does condensation form, these droplets are the result of damp air or humidity getting stuck inside our homes. Knowing how to …

Technical – Heating

Air Filters

While you are in your basement unpacking the Halloween costumes, take a moment to consider your furnace.

Best Air Filters for Your Central AC and Furnace › … › Air Filters

May 27, 2022 — Consumer Reports highlights the best air filters for your central air conditioning system and furnace, protecting your HVAC and clearing the …


While an ideal humidity for your home can be as low as 5%, people prefer about 60% humidity.

Carbon Monoxide

Low concentrations of CO can go undetected and can contribute to ongoing, unidentified illnesses. At high concentrations, it can be deadly.

Carbon Monoxide Sources in the Home

CO is produced whenever a material burns. Homes with fuel-burning appliances or attached garages are more likely to have CO problems Common sources of CO in our homes include fuel-burning appliances and devices such as: Clothes dryers. Water heaters.

Carbon Monoxide (CO) Poisoning in Your Home – EH

Heating Efficiency

Heating Efficiency become popular because they save fuel and, one would suppose, save money. But what do they mean when they talk about efficiency? What is furnace efficiency?

Heating Efficiency | EGEE 102: Energy Conservation and …

Furnaces and Boilers – Department of Energy


Fireplaces are no longer used as the primary source for heating homes, but the magic of a fire stills makes a fireplace a valued part of any home.

How to Add a Fireplace to Your Home for a Cozy Space › home-improvement › advice

Learn everything you need to know about installing a wood burning fireplace. This winter, you’ll find your home both cozy and warm after …
19 Types of Fireplaces for Your Home (Buying Guide) › Living Rooms

Discover the 19 different types of fireplaces you can buy for your home based on fuel type, mounting type, style, materials and more.

Technical – Exterior

Synthetic Stucco (EIFS)

It’s more flexible than traditional stucco and consists of a moisture barrier, foam insulation, cement basecoat, reinforcing fiberglass mesh and an acrylic finish. Synthetic stucco is 80% lighter than traditional hard-coat and relatively durable, due to containing fiberglass.

Stucco vs. EIFS Siding | 2021 Comparison Guide – HomeAdvisor

Building Blocks: The Pros and Cons of a Brick House › Solution Center › Contractors

Feb 24, 2022 — Brick houses hold up against the test of time better than vinyl and wood. They can withstand high impact without cracking or denting.

Technical – Electrical

Why You Should Upgrade from 60-amp to 100-amp Service › upgrading-from-60-a…

Many insurance companies have decided that 60-amp service is not as safe as 100-amp service, and they often won’t insure a property with a 60- .

Can I Get Homeowners Insurance with Knob-and-Tube Wiring? › knob-tube-wiring-…

Many insurance companies won’t cover homes with Knob-and-Tube wiring on the basis of absence of a ground wire. Another issue is difficulty of access to inspect …

Ground Fault Circuit Interrupters (GFCIs) – Safe Electricity › ground-fault-circuit-interrupter…

A ground fault circuit interrupter (GFCI) can help prevent electrocution. If a person’s body starts to receive a shock, the GFCI senses this and cuts off the power before he/she can get injured. GFCIs are generally installed where electrical circuits may accidentally come into contact with water.

Technical – General

Building Technical Terms 101 | Carson Dunlop Home Inspection › inspection › blog › ho…

Household Glossary – Building Technical Terms Explained … ABS — A type of black plastic pipe commonly used for waste water lines.

How to date your house – How Old Is My House? › how-to-date-your-…

Use visual clues to determine the possible age of your house.

How old is my house?: working out the age of your home › Advice

Dating is best done by looking at the plan-form of your building and understanding the materials used in its construction. Before the 16th century, life in most …

Vague Real Estate Terms – Advantage Inspection Service › … › General

Vague Real Estate Terms · “Plumbing Recently Replaced” Eager sellers and salespeople often describe plumbing replacement work improperly. · “New Roof” The term …

Understanding Oil Tanks

Understanding Oil Tanks CREA › library › CREA_understanding…

According to the Insurance Bureau of Canada, a home with an exterior oil tank older than 15 years, or an interior tank older than 25 years will not be insured.

Introduction to Mold

The Canadian Real Estate Association calls for regulations on… › … › News Releases & Statements

Apr 30, 2018 — Ottawa, ON, April 30, 2018 – The Canadian Real Estate Association (CREA) is … vulnerable people exposed to fungus and mould” Bourque said.

The American Academy of Allergy, Asthma and Immunology (AAAAI)

Professional Associations

ASHI® American Society of Home Inspectors®

ASHRAE American Society of Heating, Refrigeration and Air Conditioning Engineers

ASNT American Society of Non-Destructive Testing

CAHPI Canadian Association of Home and Property Inspectors

Code of Ethics

Commercial Standards of Practice

OAHI Ontario Association of Home Inspectors

OBEC Ontario Building Envelope Council

National Association of Home Inspectors (NACHI)

PEO Professional Engineers of Ontario

Residential Standards of Practice

WETT Wood Energy Technical Technician

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  • London Fire Department

Companies We Recommend Serving London & Area

If you know of an excellent service provider, please be sure to forward their contact information. We will practice our due diligence and offer their services if acceptable to the ThermoPhoto quality standards.

HVAC – Heating/Ventilation/Air Conditioning

Roy Inch & Sons – Residential, Sales and Servicing. Heating, Air Conditioning, Indoor Air Quality, Appliance Repair.

519 681-2450

London Boiler Service – Specialize in Hot Water Heating, Pool Heating, Solar Heating, In floor Heating, System Cleaning, Residential and Commercial.

519 488-1489


Hyde Park Plumbing and Heating – Residential/Commercial. All types.

519 657-3550

Pope Plumbing and Heating – Excellent 24-hour Emergency Service, Repairs and Hot Water Heating, New Installations, Gas Piping.

519 652-3133

Paton Bros Ltd. – The originators of do-it-yourself plumbing in London. For over 60 years Paton Bros Ltd have built long-standing, well-earned reputation for quality and service.

519 455-4910

Mike Pope Plumbing & Heating – Repair/Renovations, Hot Water Heating, New Installations, Gas Piping.

519 673- 5954

Chimney Cleaning & Sweeping (all WETT Certified)

The Chimney Doc

519 457-4115

Top Hat Chimney Sweeps

519 433-9124


Courtney Roofing Ltd.

519 652-6859

Davidoff Roofing Ltd.

519 641-7663

Bob Wilkins Roofing

519 685-5927

Foundations Repairs & Service

Advanced Basement Systems – Responsible Waterproofing. We fix wet basements, Guaranteed. Certified Waterproofing Professionals.


AshWorth Drainage & Waterproofing

519 660-9315

Pest Control

Abell Pest Control Inc.

519 680-7472

Orkin Pest Control

519 659-2212

Rentokil Pest Control

519 642-0111


Insta-Insulation – Approved by Holmes on Homes


Home Security

HomeMatix Systems Inc.

519 657-8019


519 668-6800


Todd Greg Carpentry
519 433-3460
Sean Mayville
519 673-2006