Switch from GasStart with the work that needs attention
Start with the appliance that has failed, is becoming unreliable or already has a replacement date. Then note anything that must happen first, such as making room for equipment, checking ducts or coordinating electrical and plumbing work.
For example, you can replace an aging furnace and air conditioner with a heat pump while keeping a gas water heater. If the water heater is the urgent problem, replace it first and keep the heating project as a later phase.
Share what you may change next
Tell each contractor which appliances you may replace later. That context helps an electrician evaluate the actual equipment and household load, and it can prevent one project from blocking the next. Appliance names alone cannot determine whether the home needs panel or service work.
Decide where this phase ends
A useful first phase can end with one or more gas appliances still in place. Write down what is included now, what waits and any conditions that could change the plan. Keep proposals and model numbers together so the next contractor can see what was installed.
Continue in the household appliance and timing tool.
Compare scopes before work starts
Give the HVAC, electrical and plumbing contractors the same short list of current and later work. Check that each proposal says who handles duct changes, wiring, plumbing, equipment removal and finish repair. If a site condition changes, update the list before another trade relies on it.
Send photos of your heating system for a first review, or schedule a UniColorado heating assessment.