The answer to 'should I get heat pump or' is that the choice between a heat pump and a traditional furnace/air conditioner system depends on your climate, energy efficiency needs, and budget. Heat pumps are generally more energy-efficient and can provide both heating and cooling, but may not be as effective in very cold climates. Traditional furnace/AC systems can work well in a wider range of climates, but tend to be less energy-efficient.
When choosing between a heat pump and a furnace/AC system, consider factors like your local climate, the age and efficiency of your current system, your energy costs, and your home's insulation and air sealing. Consulting with a qualified HVAC technician can help you determine the best option for your specific situation and needs.