Learning Center | Sandison Home Services

The short answer

What can I find in the Learning Center?

Guides cover equipment warning signs, maintenance, repair and replacement decisions, connected systems, and questions to ask before approving work.

What Sandison evaluates

Contact and service information

Office: (248) 453-1227
Emergency: (248) 467-1761
Oakland and Macomb Counties
Plumbing, HVAC, electrical, radon, and commercial

Helpful information

Learning Center: what to know

The Learning Center organizes answer-first guides, field notes, technical limitations, safety boundaries, primary references, reviewer identity, revision dates, and direct paths to the relevant service.

Planning your next step

Questions about your property or service request?

Articles are educational and do not replace manufacturer instructions, emergency response, code officials, testing, licensed diagnosis, or property-specific engineering. Call (248) 453-1227 during office hours or use the service-request form to discuss your situation.

Common questions

What property owners ask

What can I find in the Learning Center?

Guides cover equipment warning signs, maintenance, repair and replacement decisions, connected systems, and questions to ask before approving work.

Can a guide diagnose my equipment?

No. A guide helps you prepare for service. The cause and repair scope depend on the actual equipment, testing, access, and site conditions.

Evidence and review

Why this page can be trusted

Contact Sandison to confirm current service details, availability, and the requirements for your property.

Updated September 6, 2026. Contact Sandison to confirm the scope and requirements for your property.

Learning Center guides and field notes

Explore the complete directory.

Repair or Replace a Furnace Repair or Replace a Water Heater How Tankless Water Heaters Are Sized What Recurring Sewer Backups Mean When Trenchless Sewer Repair Fits Planning a Sump Pump Backup What to Do When the Heat Stops Why an Air Conditioner Stops Cooling Heat Pumps in Michigan Weather Boiler Noise, Air, and Flow Problems Understanding Electrical Panel Capacity EV Charger Load Planning Radon Mitigation During a Home Sale Comparing Indoor Air Quality Options Hard Water, Scale, and Equipment Life How Professional Leak Detection Works Hydro-Jetting Versus Drain Cabling What Furnace Maintenance Should Include What AC Maintenance Should Include What Whole-Home Surge Protection Does Planning Commercial Mechanical Maintenance Using Thermal Imaging in Building Diagnostics Backflow Testing and Cross-Connection Basics Know Your Water, Gas, and Electrical Shutoffs Michigan Heating Season Readiness Spring Air-Conditioning Readiness Basement Flood-Prevention Field Notes Tankless Water Heater Maintenance How Sewer Camera Evidence Changes a Repair Pipe Milling Before Sewer Lining Understanding Hydronic Comfort Why Airflow Matters to HVAC Performance Electrical Warning Signs in Older Homes Radon System Fans and Discharge Locations Water Quality and Tankless Equipment Commercial RTU Belt and Filter Service What a Mechanical Causation Report Contains Homeowner Guide to Backflow Prevention Preparing a Home for an EV Charger Ductless Placement and Condensate Planning Whole-Home Humidity in a Michigan Winter What Thermal Imaging Can and Cannot Prove Emergency Plumbing Steps Before the Technician Arrives No-Heat Safety During Extreme Cold Cooling Failures and Vulnerable Occupants Planning a Multi-Trade Home Upgrade How Sandison Documents Field Work Choosing Evidence Over Guesswork What Michigan Furnace Maintenance Should Cover Before Winter Why a Sewer Backup Keeps Coming Back Planning Radon Mitigation During a Michigan Real-Estate Transaction When a 200-Amp Electrical Service Upgrade Makes Sense